Home / 17,943.48-24,762-10,390.20

Finding the Fourth Proportional to 17,943.48, 24,762 and 10,390.20

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Solution

The fourth proportional to 17,943.48, 24,762 and 10,390.20 is: 14,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.48 : 24,762 = 10,390.20 : x
  2. Step 2: Convert to fraction form
    17,943.48/24,762 = 10,390.20/x
  3. Step 3: Cross multiply
    17,943.48x = 24,762 × 10,390.20
  4. Step 4: Simplify right side
    17,943.48x = 257,282,132.40
  5. Step 5: Solve for x
    x = 257,282,132.40/17,943.48
  6. Step 6: Final answer
    x = 14,338.47

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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.