Home / 65,514.24-98,254.32-18,756.18

Finding the Fourth Proportional to 65,514.24, 98,254.32 and 18,756.18

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Solution

The fourth proportional to 65,514.24, 98,254.32 and 18,756.18 is: 28,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,514.24 : 98,254.32 = 18,756.18 : x
  2. Step 2: Convert to fraction form
    65,514.24/98,254.32 = 18,756.18/x
  3. Step 3: Cross multiply
    65,514.24x = 98,254.32 × 18,756.18
  4. Step 4: Simplify right side
    65,514.24x = 1,842,875,711.70
  5. Step 5: Solve for x
    x = 1,842,875,711.70/65,514.24
  6. Step 6: Final answer
    x = 28,129.39

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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.