Home / 16,974.79-23,423.65-9,421.00

Finding the Fourth Proportional to 16,974.79, 23,423.65 and 9,421.00

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Solution

The fourth proportional to 16,974.79, 23,423.65 and 9,421.00 is: 13,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.79 : 23,423.65 = 9,421.00 : x
  2. Step 2: Convert to fraction form
    16,974.79/23,423.65 = 9,421.00/x
  3. Step 3: Cross multiply
    16,974.79x = 23,423.65 × 9,421.00
  4. Step 4: Simplify right side
    16,974.79x = 220,674,124.54
  5. Step 5: Solve for x
    x = 220,674,124.54/16,974.79
  6. Step 6: Final answer
    x = 13,000.11

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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.