Home / 15,560.16-23,318.32-6,776.60

Finding the Fourth Proportional to 15,560.16, 23,318.32 and 6,776.60

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Solution

The fourth proportional to 15,560.16, 23,318.32 and 6,776.60 is: 10,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.16 : 23,318.32 = 6,776.60 : x
  2. Step 2: Convert to fraction form
    15,560.16/23,318.32 = 6,776.60/x
  3. Step 3: Cross multiply
    15,560.16x = 23,318.32 × 6,776.60
  4. Step 4: Simplify right side
    15,560.16x = 158,018,927.31
  5. Step 5: Solve for x
    x = 158,018,927.31/15,560.16
  6. Step 6: Final answer
    x = 10,155.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.