Home / 10,561.54-14,567.70-6,581.20

Finding the Fourth Proportional to 10,561.54, 14,567.70 and 6,581.20

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Solution

The fourth proportional to 10,561.54, 14,567.70 and 6,581.20 is: 9,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.54 : 14,567.70 = 6,581.20 : x
  2. Step 2: Convert to fraction form
    10,561.54/14,567.70 = 6,581.20/x
  3. Step 3: Cross multiply
    10,561.54x = 14,567.70 × 6,581.20
  4. Step 4: Simplify right side
    10,561.54x = 95,872,947.24
  5. Step 5: Solve for x
    x = 95,872,947.24/10,561.54
  6. Step 6: Final answer
    x = 9,077.55

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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.