Home / 14,318.61-21,484.29-5,554.20

Finding the Fourth Proportional to 14,318.61, 21,484.29 and 5,554.20

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Solution

The fourth proportional to 14,318.61, 21,484.29 and 5,554.20 is: 8,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.61 : 21,484.29 = 5,554.20 : x
  2. Step 2: Convert to fraction form
    14,318.61/21,484.29 = 5,554.20/x
  3. Step 3: Cross multiply
    14,318.61x = 21,484.29 × 5,554.20
  4. Step 4: Simplify right side
    14,318.61x = 119,328,043.52
  5. Step 5: Solve for x
    x = 119,328,043.52/14,318.61
  6. Step 6: Final answer
    x = 8,333.77

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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.