Home / 10,539.57-14,543.70-6,561.06

Finding the Fourth Proportional to 10,539.57, 14,543.70 and 6,561.06

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Solution

The fourth proportional to 10,539.57, 14,543.70 and 6,561.06 is: 9,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.57 : 14,543.70 = 6,561.06 : x
  2. Step 2: Convert to fraction form
    10,539.57/14,543.70 = 6,561.06/x
  3. Step 3: Cross multiply
    10,539.57x = 14,543.70 × 6,561.06
  4. Step 4: Simplify right side
    10,539.57x = 95,422,088.32
  5. Step 5: Solve for x
    x = 95,422,088.32/10,539.57
  6. Step 6: Final answer
    x = 9,053.70

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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.