Home / 10,478.08-15,717.12-6,585.22

Finding the Fourth Proportional to 10,478.08, 15,717.12 and 6,585.22

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Solution

The fourth proportional to 10,478.08, 15,717.12 and 6,585.22 is: 9,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.08 : 15,717.12 = 6,585.22 : x
  2. Step 2: Convert to fraction form
    10,478.08/15,717.12 = 6,585.22/x
  3. Step 3: Cross multiply
    10,478.08x = 15,717.12 × 6,585.22
  4. Step 4: Simplify right side
    10,478.08x = 103,500,692.97
  5. Step 5: Solve for x
    x = 103,500,692.97/10,478.08
  6. Step 6: Final answer
    x = 9,877.83

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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.