Home / 20,444.76-30,630.06-9,360.72

Finding the Fourth Proportional to 20,444.76, 30,630.06 and 9,360.72

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Solution

The fourth proportional to 20,444.76, 30,630.06 and 9,360.72 is: 14,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.76 : 30,630.06 = 9,360.72 : x
  2. Step 2: Convert to fraction form
    20,444.76/30,630.06 = 9,360.72/x
  3. Step 3: Cross multiply
    20,444.76x = 30,630.06 × 9,360.72
  4. Step 4: Simplify right side
    20,444.76x = 286,719,415.24
  5. Step 5: Solve for x
    x = 286,719,415.24/20,444.76
  6. Step 6: Final answer
    x = 14,024.10

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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.