Home / 9,319.47-13,981.63-3,476.13

Finding the Fourth Proportional to 9,319.47, 13,981.63 and 3,476.13

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Solution

The fourth proportional to 9,319.47, 13,981.63 and 3,476.13 is: 5,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.47 : 13,981.63 = 3,476.13 : x
  2. Step 2: Convert to fraction form
    9,319.47/13,981.63 = 3,476.13/x
  3. Step 3: Cross multiply
    9,319.47x = 13,981.63 × 3,476.13
  4. Step 4: Simplify right side
    9,319.47x = 48,601,963.49
  5. Step 5: Solve for x
    x = 48,601,963.49/9,319.47
  6. Step 6: Final answer
    x = 5,215.10

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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.