Home / 18,863.04-26,029.98-10,479

Finding the Fourth Proportional to 18,863.04, 26,029.98 and 10,479

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Solution

The fourth proportional to 18,863.04, 26,029.98 and 10,479 is: 14,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.04 : 26,029.98 = 10,479 : x
  2. Step 2: Convert to fraction form
    18,863.04/26,029.98 = 10,479/x
  3. Step 3: Cross multiply
    18,863.04x = 26,029.98 × 10,479
  4. Step 4: Simplify right side
    18,863.04x = 272,768,160.42
  5. Step 5: Solve for x
    x = 272,768,160.42/18,863.04
  6. Step 6: Final answer
    x = 14,460.46

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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.