Home / 22,011.81-30,389.46-14,470.77

Finding the Fourth Proportional to 22,011.81, 30,389.46 and 14,470.77

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Solution

The fourth proportional to 22,011.81, 30,389.46 and 14,470.77 is: 19,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.81 : 30,389.46 = 14,470.77 : x
  2. Step 2: Convert to fraction form
    22,011.81/30,389.46 = 14,470.77/x
  3. Step 3: Cross multiply
    22,011.81x = 30,389.46 × 14,470.77
  4. Step 4: Simplify right side
    22,011.81x = 439,758,886.08
  5. Step 5: Solve for x
    x = 439,758,886.08/22,011.81
  6. Step 6: Final answer
    x = 19,978.32

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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.