Home / 10,207.14-15,315.03-4,285.35

Finding the Fourth Proportional to 10,207.14, 15,315.03 and 4,285.35

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Solution

The fourth proportional to 10,207.14, 15,315.03 and 4,285.35 is: 6,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.14 : 15,315.03 = 4,285.35 : x
  2. Step 2: Convert to fraction form
    10,207.14/15,315.03 = 4,285.35/x
  3. Step 3: Cross multiply
    10,207.14x = 15,315.03 × 4,285.35
  4. Step 4: Simplify right side
    10,207.14x = 65,630,263.81
  5. Step 5: Solve for x
    x = 65,630,263.81/10,207.14
  6. Step 6: Final answer
    x = 6,429.84

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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.