Home / 15,563.80-23,345.70-14,721.40

Finding the Fourth Proportional to 15,563.80, 23,345.70 and 14,721.40

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Solution

The fourth proportional to 15,563.80, 23,345.70 and 14,721.40 is: 22,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.80 : 23,345.70 = 14,721.40 : x
  2. Step 2: Convert to fraction form
    15,563.80/23,345.70 = 14,721.40/x
  3. Step 3: Cross multiply
    15,563.80x = 23,345.70 × 14,721.40
  4. Step 4: Simplify right side
    15,563.80x = 343,681,387.98
  5. Step 5: Solve for x
    x = 343,681,387.98/15,563.80
  6. Step 6: Final answer
    x = 22,082.10

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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.