Home / 13,948.64-19,248.66-9,976.40

Finding the Fourth Proportional to 13,948.64, 19,248.66 and 9,976.40

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Solution

The fourth proportional to 13,948.64, 19,248.66 and 9,976.40 is: 13,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.64 : 19,248.66 = 9,976.40 : x
  2. Step 2: Convert to fraction form
    13,948.64/19,248.66 = 9,976.40/x
  3. Step 3: Cross multiply
    13,948.64x = 19,248.66 × 9,976.40
  4. Step 4: Simplify right side
    13,948.64x = 192,032,235.38
  5. Step 5: Solve for x
    x = 192,032,235.38/13,948.64
  6. Step 6: Final answer
    x = 13,767.10

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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.