Home / 14,240.16-19,654.32-8,931.12

Finding the Fourth Proportional to 14,240.16, 19,654.32 and 8,931.12

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Solution

The fourth proportional to 14,240.16, 19,654.32 and 8,931.12 is: 12,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.16 : 19,654.32 = 8,931.12 : x
  2. Step 2: Convert to fraction form
    14,240.16/19,654.32 = 8,931.12/x
  3. Step 3: Cross multiply
    14,240.16x = 19,654.32 × 8,931.12
  4. Step 4: Simplify right side
    14,240.16x = 175,535,090.44
  5. Step 5: Solve for x
    x = 175,535,090.44/14,240.16
  6. Step 6: Final answer
    x = 12,326.76

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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.