Home / 12,752.04-19,123.10-4,429.80

Finding the Fourth Proportional to 12,752.04, 19,123.10 and 4,429.80

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Solution

The fourth proportional to 12,752.04, 19,123.10 and 4,429.80 is: 6,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.04 : 19,123.10 = 4,429.80 : x
  2. Step 2: Convert to fraction form
    12,752.04/19,123.10 = 4,429.80/x
  3. Step 3: Cross multiply
    12,752.04x = 19,123.10 × 4,429.80
  4. Step 4: Simplify right side
    12,752.04x = 84,711,508.38
  5. Step 5: Solve for x
    x = 84,711,508.38/12,752.04
  6. Step 6: Final answer
    x = 6,642.98

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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.