Home / 12,457.16-18,691.40-4,666.56

Finding the Fourth Proportional to 12,457.16, 18,691.40 and 4,666.56

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Solution

The fourth proportional to 12,457.16, 18,691.40 and 4,666.56 is: 7,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.16 : 18,691.40 = 4,666.56 : x
  2. Step 2: Convert to fraction form
    12,457.16/18,691.40 = 4,666.56/x
  3. Step 3: Cross multiply
    12,457.16x = 18,691.40 × 4,666.56
  4. Step 4: Simplify right side
    12,457.16x = 87,224,539.58
  5. Step 5: Solve for x
    x = 87,224,539.58/12,457.16
  6. Step 6: Final answer
    x = 7,001.96

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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.