Home / 15,577.08-21,496.47-8,503.68

Finding the Fourth Proportional to 15,577.08, 21,496.47 and 8,503.68

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Solution

The fourth proportional to 15,577.08, 21,496.47 and 8,503.68 is: 11,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.08 : 21,496.47 = 8,503.68 : x
  2. Step 2: Convert to fraction form
    15,577.08/21,496.47 = 8,503.68/x
  3. Step 3: Cross multiply
    15,577.08x = 21,496.47 × 8,503.68
  4. Step 4: Simplify right side
    15,577.08x = 182,799,102.01
  5. Step 5: Solve for x
    x = 182,799,102.01/15,577.08
  6. Step 6: Final answer
    x = 11,735.13

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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.