Home / 14,685.52-20,257.53-9,374.35

Finding the Fourth Proportional to 14,685.52, 20,257.53 and 9,374.35

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Solution

The fourth proportional to 14,685.52, 20,257.53 and 9,374.35 is: 12,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.52 : 20,257.53 = 9,374.35 : x
  2. Step 2: Convert to fraction form
    14,685.52/20,257.53 = 9,374.35/x
  3. Step 3: Cross multiply
    14,685.52x = 20,257.53 × 9,374.35
  4. Step 4: Simplify right side
    14,685.52x = 189,901,176.36
  5. Step 5: Solve for x
    x = 189,901,176.36/14,685.52
  6. Step 6: Final answer
    x = 12,931.19

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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.