Home / 12,590.40-17,374.68-6,925.50

Finding the Fourth Proportional to 12,590.40, 17,374.68 and 6,925.50

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Solution

The fourth proportional to 12,590.40, 17,374.68 and 6,925.50 is: 9,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.40 : 17,374.68 = 6,925.50 : x
  2. Step 2: Convert to fraction form
    12,590.40/17,374.68 = 6,925.50/x
  3. Step 3: Cross multiply
    12,590.40x = 17,374.68 × 6,925.50
  4. Step 4: Simplify right side
    12,590.40x = 120,328,346.34
  5. Step 5: Solve for x
    x = 120,328,346.34/12,590.40
  6. Step 6: Final answer
    x = 9,557.15

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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.