Home / 10,040.23-15,069.70-5,113.58

Finding the Fourth Proportional to 10,040.23, 15,069.70 and 5,113.58

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Solution

The fourth proportional to 10,040.23, 15,069.70 and 5,113.58 is: 7,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.23 : 15,069.70 = 5,113.58 : x
  2. Step 2: Convert to fraction form
    10,040.23/15,069.70 = 5,113.58/x
  3. Step 3: Cross multiply
    10,040.23x = 15,069.70 × 5,113.58
  4. Step 4: Simplify right side
    10,040.23x = 77,060,015.61
  5. Step 5: Solve for x
    x = 77,060,015.61/10,040.23
  6. Step 6: Final answer
    x = 7,675.12

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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.