Home / 10,386.60-15,561.26-5,701.56

Finding the Fourth Proportional to 10,386.60, 15,561.26 and 5,701.56

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Solution

The fourth proportional to 10,386.60, 15,561.26 and 5,701.56 is: 8,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.60 : 15,561.26 = 5,701.56 : x
  2. Step 2: Convert to fraction form
    10,386.60/15,561.26 = 5,701.56/x
  3. Step 3: Cross multiply
    10,386.60x = 15,561.26 × 5,701.56
  4. Step 4: Simplify right side
    10,386.60x = 88,723,457.57
  5. Step 5: Solve for x
    x = 88,723,457.57/10,386.60
  6. Step 6: Final answer
    x = 8,542.11

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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.