Home / 9,962.29-13,746.90-5,485.77

Finding the Fourth Proportional to 9,962.29, 13,746.90 and 5,485.77

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Solution

The fourth proportional to 9,962.29, 13,746.90 and 5,485.77 is: 7,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.29 : 13,746.90 = 5,485.77 : x
  2. Step 2: Convert to fraction form
    9,962.29/13,746.90 = 5,485.77/x
  3. Step 3: Cross multiply
    9,962.29x = 13,746.90 × 5,485.77
  4. Step 4: Simplify right side
    9,962.29x = 75,412,304.18
  5. Step 5: Solve for x
    x = 75,412,304.18/9,962.29
  6. Step 6: Final answer
    x = 7,569.78

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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.