Home / 9,543.49-13,170-5,295.20

Finding the Fourth Proportional to 9,543.49, 13,170 and 5,295.20

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Solution

The fourth proportional to 9,543.49, 13,170 and 5,295.20 is: 7,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.49 : 13,170 = 5,295.20 : x
  2. Step 2: Convert to fraction form
    9,543.49/13,170 = 5,295.20/x
  3. Step 3: Cross multiply
    9,543.49x = 13,170 × 5,295.20
  4. Step 4: Simplify right side
    9,543.49x = 69,737,718.15
  5. Step 5: Solve for x
    x = 69,737,718.15/9,543.49
  6. Step 6: Final answer
    x = 7,307.36

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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.