Home / 9,518.97-13,140.95-5,984.13

Finding the Fourth Proportional to 9,518.97, 13,140.95 and 5,984.13

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Solution

The fourth proportional to 9,518.97, 13,140.95 and 5,984.13 is: 8,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.97 : 13,140.95 = 5,984.13 : x
  2. Step 2: Convert to fraction form
    9,518.97/13,140.95 = 5,984.13/x
  3. Step 3: Cross multiply
    9,518.97x = 13,140.95 × 5,984.13
  4. Step 4: Simplify right side
    9,518.97x = 78,637,123.20
  5. Step 5: Solve for x
    x = 78,637,123.20/9,518.97
  6. Step 6: Final answer
    x = 8,261.10

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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.