Home / 19,512.60-26,920.14-12,437.40

Finding the Fourth Proportional to 19,512.60, 26,920.14 and 12,437.40

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Solution

The fourth proportional to 19,512.60, 26,920.14 and 12,437.40 is: 17,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.60 : 26,920.14 = 12,437.40 : x
  2. Step 2: Convert to fraction form
    19,512.60/26,920.14 = 12,437.40/x
  3. Step 3: Cross multiply
    19,512.60x = 26,920.14 × 12,437.40
  4. Step 4: Simplify right side
    19,512.60x = 334,816,549.24
  5. Step 5: Solve for x
    x = 334,816,549.24/19,512.60
  6. Step 6: Final answer
    x = 17,158.99

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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.