Home / 15,577.18-21,496.50-8,503.66

Finding the Fourth Proportional to 15,577.18, 21,496.50 and 8,503.66

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Solution

The fourth proportional to 15,577.18, 21,496.50 and 8,503.66 is: 11,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.18 : 21,496.50 = 8,503.66 : x
  2. Step 2: Convert to fraction form
    15,577.18/21,496.50 = 8,503.66/x
  3. Step 3: Cross multiply
    15,577.18x = 21,496.50 × 8,503.66
  4. Step 4: Simplify right side
    15,577.18x = 182,798,927.19
  5. Step 5: Solve for x
    x = 182,798,927.19/15,577.18
  6. Step 6: Final answer
    x = 11,735.05

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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.