Home / 9,689.76-14,532.16-4,140.36

Finding the Fourth Proportional to 9,689.76, 14,532.16 and 4,140.36

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Solution

The fourth proportional to 9,689.76, 14,532.16 and 4,140.36 is: 6,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.76 : 14,532.16 = 4,140.36 : x
  2. Step 2: Convert to fraction form
    9,689.76/14,532.16 = 4,140.36/x
  3. Step 3: Cross multiply
    9,689.76x = 14,532.16 × 4,140.36
  4. Step 4: Simplify right side
    9,689.76x = 60,168,373.98
  5. Step 5: Solve for x
    x = 60,168,373.98/9,689.76
  6. Step 6: Final answer
    x = 6,209.48

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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.