Home / 13,864.16-19,125.42-9,386.34

Finding the Fourth Proportional to 13,864.16, 19,125.42 and 9,386.34

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Solution

The fourth proportional to 13,864.16, 19,125.42 and 9,386.34 is: 12,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.16 : 19,125.42 = 9,386.34 : x
  2. Step 2: Convert to fraction form
    13,864.16/19,125.42 = 9,386.34/x
  3. Step 3: Cross multiply
    13,864.16x = 19,125.42 × 9,386.34
  4. Step 4: Simplify right side
    13,864.16x = 179,517,694.76
  5. Step 5: Solve for x
    x = 179,517,694.76/13,864.16
  6. Step 6: Final answer
    x = 12,948.33

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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.