Home / 15,337.93-21,166.95-8,968.63

Finding the Fourth Proportional to 15,337.93, 21,166.95 and 8,968.63

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Solution

The fourth proportional to 15,337.93, 21,166.95 and 8,968.63 is: 12,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.93 : 21,166.95 = 8,968.63 : x
  2. Step 2: Convert to fraction form
    15,337.93/21,166.95 = 8,968.63/x
  3. Step 3: Cross multiply
    15,337.93x = 21,166.95 × 8,968.63
  4. Step 4: Simplify right side
    15,337.93x = 189,838,542.78
  5. Step 5: Solve for x
    x = 189,838,542.78/15,337.93
  6. Step 6: Final answer
    x = 12,377.06

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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.