Home / 11,281.15-15,566.25-6,501.32

Finding the Fourth Proportional to 11,281.15, 15,566.25 and 6,501.32

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Solution

The fourth proportional to 11,281.15, 15,566.25 and 6,501.32 is: 8,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.15 : 15,566.25 = 6,501.32 : x
  2. Step 2: Convert to fraction form
    11,281.15/15,566.25 = 6,501.32/x
  3. Step 3: Cross multiply
    11,281.15x = 15,566.25 × 6,501.32
  4. Step 4: Simplify right side
    11,281.15x = 101,201,172.45
  5. Step 5: Solve for x
    x = 101,201,172.45/11,281.15
  6. Step 6: Final answer
    x = 8,970.82

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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.