Home / 10,011.80-15,017.70-7,059.35

Finding the Fourth Proportional to 10,011.80, 15,017.70 and 7,059.35

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Solution

The fourth proportional to 10,011.80, 15,017.70 and 7,059.35 is: 10,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.80 : 15,017.70 = 7,059.35 : x
  2. Step 2: Convert to fraction form
    10,011.80/15,017.70 = 7,059.35/x
  3. Step 3: Cross multiply
    10,011.80x = 15,017.70 × 7,059.35
  4. Step 4: Simplify right side
    10,011.80x = 106,015,200.50
  5. Step 5: Solve for x
    x = 106,015,200.50/10,011.80
  6. Step 6: Final answer
    x = 10,589.03

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.