Home / 10,407.56-14,362.45-5,691.86

Finding the Fourth Proportional to 10,407.56, 14,362.45 and 5,691.86

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Solution

The fourth proportional to 10,407.56, 14,362.45 and 5,691.86 is: 7,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.56 : 14,362.45 = 5,691.86 : x
  2. Step 2: Convert to fraction form
    10,407.56/14,362.45 = 5,691.86/x
  3. Step 3: Cross multiply
    10,407.56x = 14,362.45 × 5,691.86
  4. Step 4: Simplify right side
    10,407.56x = 81,748,968.62
  5. Step 5: Solve for x
    x = 81,748,968.62/10,407.56
  6. Step 6: Final answer
    x = 7,854.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.