Home / 9,862.36-13,609.95-5,386.10

Finding the Fourth Proportional to 9,862.36, 13,609.95 and 5,386.10

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Solution

The fourth proportional to 9,862.36, 13,609.95 and 5,386.10 is: 7,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.36 : 13,609.95 = 5,386.10 : x
  2. Step 2: Convert to fraction form
    9,862.36/13,609.95 = 5,386.10/x
  3. Step 3: Cross multiply
    9,862.36x = 13,609.95 × 5,386.10
  4. Step 4: Simplify right side
    9,862.36x = 73,304,551.70
  5. Step 5: Solve for x
    x = 73,304,551.70/9,862.36
  6. Step 6: Final answer
    x = 7,432.76

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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.