Home / 13,587.74-20,351.49-10,444.61

Finding the Fourth Proportional to 13,587.74, 20,351.49 and 10,444.61

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Solution

The fourth proportional to 13,587.74, 20,351.49 and 10,444.61 is: 15,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.74 : 20,351.49 = 10,444.61 : x
  2. Step 2: Convert to fraction form
    13,587.74/20,351.49 = 10,444.61/x
  3. Step 3: Cross multiply
    13,587.74x = 20,351.49 × 10,444.61
  4. Step 4: Simplify right side
    13,587.74x = 212,563,274.21
  5. Step 5: Solve for x
    x = 212,563,274.21/13,587.74
  6. Step 6: Final answer
    x = 15,643.76

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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.