Home / 22,356.47-30,830.77-14,686.20

Finding the Fourth Proportional to 22,356.47, 30,830.77 and 14,686.20

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Solution

The fourth proportional to 22,356.47, 30,830.77 and 14,686.20 is: 20,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.47 : 30,830.77 = 14,686.20 : x
  2. Step 2: Convert to fraction form
    22,356.47/30,830.77 = 14,686.20/x
  3. Step 3: Cross multiply
    22,356.47x = 30,830.77 × 14,686.20
  4. Step 4: Simplify right side
    22,356.47x = 452,786,700.22
  5. Step 5: Solve for x
    x = 452,786,700.22/22,356.47
  6. Step 6: Final answer
    x = 20,253.05

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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.