Home / 10,064.40-15,109.32-6,382.08

Finding the Fourth Proportional to 10,064.40, 15,109.32 and 6,382.08

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Solution

The fourth proportional to 10,064.40, 15,109.32 and 6,382.08 is: 9,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.40 : 15,109.32 = 6,382.08 : x
  2. Step 2: Convert to fraction form
    10,064.40/15,109.32 = 6,382.08/x
  3. Step 3: Cross multiply
    10,064.40x = 15,109.32 × 6,382.08
  4. Step 4: Simplify right side
    10,064.40x = 96,428,888.99
  5. Step 5: Solve for x
    x = 96,428,888.99/10,064.40
  6. Step 6: Final answer
    x = 9,581.19

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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.