Home / 18,730.52-25,848.08-10,347

Finding the Fourth Proportional to 18,730.52, 25,848.08 and 10,347

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Solution

The fourth proportional to 18,730.52, 25,848.08 and 10,347 is: 14,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.52 : 25,848.08 = 10,347 : x
  2. Step 2: Convert to fraction form
    18,730.52/25,848.08 = 10,347/x
  3. Step 3: Cross multiply
    18,730.52x = 25,848.08 × 10,347
  4. Step 4: Simplify right side
    18,730.52x = 267,450,083.76
  5. Step 5: Solve for x
    x = 267,450,083.76/18,730.52
  6. Step 6: Final answer
    x = 14,278.84

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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.