Home / 9,995.10-14,988.60-3,417.90

Finding the Fourth Proportional to 9,995.10, 14,988.60 and 3,417.90

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Solution

The fourth proportional to 9,995.10, 14,988.60 and 3,417.90 is: 5,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.10 : 14,988.60 = 3,417.90 : x
  2. Step 2: Convert to fraction form
    9,995.10/14,988.60 = 3,417.90/x
  3. Step 3: Cross multiply
    9,995.10x = 14,988.60 × 3,417.90
  4. Step 4: Simplify right side
    9,995.10x = 51,229,535.94
  5. Step 5: Solve for x
    x = 51,229,535.94/9,995.10
  6. Step 6: Final answer
    x = 5,125.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.