Home / 9,882.04-13,637.02-5,405.74

Finding the Fourth Proportional to 9,882.04, 13,637.02 and 5,405.74

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Solution

The fourth proportional to 9,882.04, 13,637.02 and 5,405.74 is: 7,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.04 : 13,637.02 = 5,405.74 : x
  2. Step 2: Convert to fraction form
    9,882.04/13,637.02 = 5,405.74/x
  3. Step 3: Cross multiply
    9,882.04x = 13,637.02 × 5,405.74
  4. Step 4: Simplify right side
    9,882.04x = 73,718,184.49
  5. Step 5: Solve for x
    x = 73,718,184.49/9,882.04
  6. Step 6: Final answer
    x = 7,459.81

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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.