Home / 17,916.84-24,723.36-9,957.78

Finding the Fourth Proportional to 17,916.84, 24,723.36 and 9,957.78

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Solution

The fourth proportional to 17,916.84, 24,723.36 and 9,957.78 is: 13,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.84 : 24,723.36 = 9,957.78 : x
  2. Step 2: Convert to fraction form
    17,916.84/24,723.36 = 9,957.78/x
  3. Step 3: Cross multiply
    17,916.84x = 24,723.36 × 9,957.78
  4. Step 4: Simplify right side
    17,916.84x = 246,189,779.74
  5. Step 5: Solve for x
    x = 246,189,779.74/17,916.84
  6. Step 6: Final answer
    x = 13,740.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.