Home / 9,820.90-13,554.78-5,572.04

Finding the Fourth Proportional to 9,820.90, 13,554.78 and 5,572.04

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Solution

The fourth proportional to 9,820.90, 13,554.78 and 5,572.04 is: 7,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.90 : 13,554.78 = 5,572.04 : x
  2. Step 2: Convert to fraction form
    9,820.90/13,554.78 = 5,572.04/x
  3. Step 3: Cross multiply
    9,820.90x = 13,554.78 × 5,572.04
  4. Step 4: Simplify right side
    9,820.90x = 75,527,776.35
  5. Step 5: Solve for x
    x = 75,527,776.35/9,820.90
  6. Step 6: Final answer
    x = 7,690.51

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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.