Home / 12,530.95-17,253.26-10,638.79

Finding the Fourth Proportional to 12,530.95, 17,253.26 and 10,638.79

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Solution

The fourth proportional to 12,530.95, 17,253.26 and 10,638.79 is: 14,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.95 : 17,253.26 = 10,638.79 : x
  2. Step 2: Convert to fraction form
    12,530.95/17,253.26 = 10,638.79/x
  3. Step 3: Cross multiply
    12,530.95x = 17,253.26 × 10,638.79
  4. Step 4: Simplify right side
    12,530.95x = 183,553,753.52
  5. Step 5: Solve for x
    x = 183,553,753.52/12,530.95
  6. Step 6: Final answer
    x = 14,648.03

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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.