Home / 9,899.26-13,661.02-5,423.30

Finding the Fourth Proportional to 9,899.26, 13,661.02 and 5,423.30

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Solution

The fourth proportional to 9,899.26, 13,661.02 and 5,423.30 is: 7,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.26 : 13,661.02 = 5,423.30 : x
  2. Step 2: Convert to fraction form
    9,899.26/13,661.02 = 5,423.30/x
  3. Step 3: Cross multiply
    9,899.26x = 13,661.02 × 5,423.30
  4. Step 4: Simplify right side
    9,899.26x = 74,087,809.77
  5. Step 5: Solve for x
    x = 74,087,809.77/9,899.26
  6. Step 6: Final answer
    x = 7,484.18

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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.