Home / 19,572.53-29,356.04-6,423.20

Finding the Fourth Proportional to 19,572.53, 29,356.04 and 6,423.20

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Solution

The fourth proportional to 19,572.53, 29,356.04 and 6,423.20 is: 9,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.53 : 29,356.04 = 6,423.20 : x
  2. Step 2: Convert to fraction form
    19,572.53/29,356.04 = 6,423.20/x
  3. Step 3: Cross multiply
    19,572.53x = 29,356.04 × 6,423.20
  4. Step 4: Simplify right side
    19,572.53x = 188,559,537.23
  5. Step 5: Solve for x
    x = 188,559,537.23/19,572.53
  6. Step 6: Final answer
    x = 9,633.89

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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.