Home / 10,455.32-15,687.06-4,607.82

Finding the Fourth Proportional to 10,455.32, 15,687.06 and 4,607.82

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Solution

The fourth proportional to 10,455.32, 15,687.06 and 4,607.82 is: 6,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.32 : 15,687.06 = 4,607.82 : x
  2. Step 2: Convert to fraction form
    10,455.32/15,687.06 = 4,607.82/x
  3. Step 3: Cross multiply
    10,455.32x = 15,687.06 × 4,607.82
  4. Step 4: Simplify right side
    10,455.32x = 72,283,148.81
  5. Step 5: Solve for x
    x = 72,283,148.81/10,455.32
  6. Step 6: Final answer
    x = 6,913.53

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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.