Home / 14,298.03-19,731.28-7,925.58

Finding the Fourth Proportional to 14,298.03, 19,731.28 and 7,925.58

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Solution

The fourth proportional to 14,298.03, 19,731.28 and 7,925.58 is: 10,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.03 : 19,731.28 = 7,925.58 : x
  2. Step 2: Convert to fraction form
    14,298.03/19,731.28 = 7,925.58/x
  3. Step 3: Cross multiply
    14,298.03x = 19,731.28 × 7,925.58
  4. Step 4: Simplify right side
    14,298.03x = 156,381,774.85
  5. Step 5: Solve for x
    x = 156,381,774.85/14,298.03
  6. Step 6: Final answer
    x = 10,937.30

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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.