Home / 9,689.74-14,532.18-4,140.34

Finding the Fourth Proportional to 9,689.74, 14,532.18 and 4,140.34

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Solution

The fourth proportional to 9,689.74, 14,532.18 and 4,140.34 is: 6,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.74 : 14,532.18 = 4,140.34 : x
  2. Step 2: Convert to fraction form
    9,689.74/14,532.18 = 4,140.34/x
  3. Step 3: Cross multiply
    9,689.74x = 14,532.18 × 4,140.34
  4. Step 4: Simplify right side
    9,689.74x = 60,168,166.14
  5. Step 5: Solve for x
    x = 60,168,166.14/9,689.74
  6. Step 6: Final answer
    x = 6,209.47

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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.