Home / 9,661.15-13,332.38-5,469.40

Finding the Fourth Proportional to 9,661.15, 13,332.38 and 5,469.40

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Solution

The fourth proportional to 9,661.15, 13,332.38 and 5,469.40 is: 7,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.15 : 13,332.38 = 5,469.40 : x
  2. Step 2: Convert to fraction form
    9,661.15/13,332.38 = 5,469.40/x
  3. Step 3: Cross multiply
    9,661.15x = 13,332.38 × 5,469.40
  4. Step 4: Simplify right side
    9,661.15x = 72,920,124.83
  5. Step 5: Solve for x
    x = 72,920,124.83/9,661.15
  6. Step 6: Final answer
    x = 7,547.77

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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.