Home / 15,657.16-21,607.38-8,583.52

Finding the Fourth Proportional to 15,657.16, 21,607.38 and 8,583.52

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Solution

The fourth proportional to 15,657.16, 21,607.38 and 8,583.52 is: 11,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.16 : 21,607.38 = 8,583.52 : x
  2. Step 2: Convert to fraction form
    15,657.16/21,607.38 = 8,583.52/x
  3. Step 3: Cross multiply
    15,657.16x = 21,607.38 × 8,583.52
  4. Step 4: Simplify right side
    15,657.16x = 185,467,378.38
  5. Step 5: Solve for x
    x = 185,467,378.38/15,657.16
  6. Step 6: Final answer
    x = 11,845.53

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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.