Home / 15,774.32-21,768.52-9,060.39

Finding the Fourth Proportional to 15,774.32, 21,768.52 and 9,060.39

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Solution

The fourth proportional to 15,774.32, 21,768.52 and 9,060.39 is: 12,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.32 : 21,768.52 = 9,060.39 : x
  2. Step 2: Convert to fraction form
    15,774.32/21,768.52 = 9,060.39/x
  3. Step 3: Cross multiply
    15,774.32x = 21,768.52 × 9,060.39
  4. Step 4: Simplify right side
    15,774.32x = 197,231,280.92
  5. Step 5: Solve for x
    x = 197,231,280.92/15,774.32
  6. Step 6: Final answer
    x = 12,503.31

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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.