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Finding the Fourth Proportional to 15,875.01, 21,894.84 and 10,844.91

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Solution

The fourth proportional to 15,875.01, 21,894.84 and 10,844.91 is: 14,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.01 : 21,894.84 = 10,844.91 : x
  2. Step 2: Convert to fraction form
    15,875.01/21,894.84 = 10,844.91/x
  3. Step 3: Cross multiply
    15,875.01x = 21,894.84 × 10,844.91
  4. Step 4: Simplify right side
    15,875.01x = 237,447,569.26
  5. Step 5: Solve for x
    x = 237,447,569.26/15,875.01
  6. Step 6: Final answer
    x = 14,957.32

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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.