Home / 15,526.83-21,427.11-8,453.25

Finding the Fourth Proportional to 15,526.83, 21,427.11 and 8,453.25

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Solution

The fourth proportional to 15,526.83, 21,427.11 and 8,453.25 is: 11,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.83 : 21,427.11 = 8,453.25 : x
  2. Step 2: Convert to fraction form
    15,526.83/21,427.11 = 8,453.25/x
  3. Step 3: Cross multiply
    15,526.83x = 21,427.11 × 8,453.25
  4. Step 4: Simplify right side
    15,526.83x = 181,128,717.61
  5. Step 5: Solve for x
    x = 181,128,717.61/15,526.83
  6. Step 6: Final answer
    x = 11,665.53

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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.