Home / 15,657.19-21,606.42-8,583.46

Finding the Fourth Proportional to 15,657.19, 21,606.42 and 8,583.46

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Solution

The fourth proportional to 15,657.19, 21,606.42 and 8,583.46 is: 11,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.19 : 21,606.42 = 8,583.46 : x
  2. Step 2: Convert to fraction form
    15,657.19/21,606.42 = 8,583.46/x
  3. Step 3: Cross multiply
    15,657.19x = 21,606.42 × 8,583.46
  4. Step 4: Simplify right side
    15,657.19x = 185,457,841.81
  5. Step 5: Solve for x
    x = 185,457,841.81/15,657.19
  6. Step 6: Final answer
    x = 11,844.90

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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.