Home / 21,376.49-32,073.95-11,513.79

Finding the Fourth Proportional to 21,376.49, 32,073.95 and 11,513.79

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Solution

The fourth proportional to 21,376.49, 32,073.95 and 11,513.79 is: 17,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.49 : 32,073.95 = 11,513.79 : x
  2. Step 2: Convert to fraction form
    21,376.49/32,073.95 = 11,513.79/x
  3. Step 3: Cross multiply
    21,376.49x = 32,073.95 × 11,513.79
  4. Step 4: Simplify right side
    21,376.49x = 369,292,724.77
  5. Step 5: Solve for x
    x = 369,292,724.77/21,376.49
  6. Step 6: Final answer
    x = 17,275.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.