Home / 14,728.59-20,316.60-9,423.27

Finding the Fourth Proportional to 14,728.59, 20,316.60 and 9,423.27

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Solution

The fourth proportional to 14,728.59, 20,316.60 and 9,423.27 is: 12,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.59 : 20,316.60 = 9,423.27 : x
  2. Step 2: Convert to fraction form
    14,728.59/20,316.60 = 9,423.27/x
  3. Step 3: Cross multiply
    14,728.59x = 20,316.60 × 9,423.27
  4. Step 4: Simplify right side
    14,728.59x = 191,448,807.28
  5. Step 5: Solve for x
    x = 191,448,807.28/14,728.59
  6. Step 6: Final answer
    x = 12,998.45

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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.