Home / 10,530.80-14,531.16-6,055.28

Finding the Fourth Proportional to 10,530.80, 14,531.16 and 6,055.28

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Solution

The fourth proportional to 10,530.80, 14,531.16 and 6,055.28 is: 8,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.80 : 14,531.16 = 6,055.28 : x
  2. Step 2: Convert to fraction form
    10,530.80/14,531.16 = 6,055.28/x
  3. Step 3: Cross multiply
    10,530.80x = 14,531.16 × 6,055.28
  4. Step 4: Simplify right side
    10,530.80x = 87,990,242.52
  5. Step 5: Solve for x
    x = 87,990,242.52/10,530.80
  6. Step 6: Final answer
    x = 8,355.51

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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.