Home / 14,316.96-21,472.20-6,528

Finding the Fourth Proportional to 14,316.96, 21,472.20 and 6,528

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Solution

The fourth proportional to 14,316.96, 21,472.20 and 6,528 is: 9,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.96 : 21,472.20 = 6,528 : x
  2. Step 2: Convert to fraction form
    14,316.96/21,472.20 = 6,528/x
  3. Step 3: Cross multiply
    14,316.96x = 21,472.20 × 6,528
  4. Step 4: Simplify right side
    14,316.96x = 140,170,521.60
  5. Step 5: Solve for x
    x = 140,170,521.60/14,316.96
  6. Step 6: Final answer
    x = 9,790.52

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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.