Home / 10,290.99-15,457.17-6,139.11

Finding the Fourth Proportional to 10,290.99, 15,457.17 and 6,139.11

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Solution

The fourth proportional to 10,290.99, 15,457.17 and 6,139.11 is: 9,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.99 : 15,457.17 = 6,139.11 : x
  2. Step 2: Convert to fraction form
    10,290.99/15,457.17 = 6,139.11/x
  3. Step 3: Cross multiply
    10,290.99x = 15,457.17 × 6,139.11
  4. Step 4: Simplify right side
    10,290.99x = 94,893,266.92
  5. Step 5: Solve for x
    x = 94,893,266.92/10,290.99
  6. Step 6: Final answer
    x = 9,221.00

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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.