Home / 12,032.34-18,088.85-9,708.63

Finding the Fourth Proportional to 12,032.34, 18,088.85 and 9,708.63

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Solution

The fourth proportional to 12,032.34, 18,088.85 and 9,708.63 is: 14,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.34 : 18,088.85 = 9,708.63 : x
  2. Step 2: Convert to fraction form
    12,032.34/18,088.85 = 9,708.63/x
  3. Step 3: Cross multiply
    12,032.34x = 18,088.85 × 9,708.63
  4. Step 4: Simplify right side
    12,032.34x = 175,617,951.78
  5. Step 5: Solve for x
    x = 175,617,951.78/12,032.34
  6. Step 6: Final answer
    x = 14,595.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.