Home / 11,561.85-15,955.40-6,526.28

Finding the Fourth Proportional to 11,561.85, 15,955.40 and 6,526.28

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Solution

The fourth proportional to 11,561.85, 15,955.40 and 6,526.28 is: 9,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.85 : 15,955.40 = 6,526.28 : x
  2. Step 2: Convert to fraction form
    11,561.85/15,955.40 = 6,526.28/x
  3. Step 3: Cross multiply
    11,561.85x = 15,955.40 × 6,526.28
  4. Step 4: Simplify right side
    11,561.85x = 104,129,464.12
  5. Step 5: Solve for x
    x = 104,129,464.12/11,561.85
  6. Step 6: Final answer
    x = 9,006.30

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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.