Home / 21,437.08-29,577.83-12,365.22

Finding the Fourth Proportional to 21,437.08, 29,577.83 and 12,365.22

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Solution

The fourth proportional to 21,437.08, 29,577.83 and 12,365.22 is: 17,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.08 : 29,577.83 = 12,365.22 : x
  2. Step 2: Convert to fraction form
    21,437.08/29,577.83 = 12,365.22/x
  3. Step 3: Cross multiply
    21,437.08x = 29,577.83 × 12,365.22
  4. Step 4: Simplify right side
    21,437.08x = 365,736,301.13
  5. Step 5: Solve for x
    x = 365,736,301.13/21,437.08
  6. Step 6: Final answer
    x = 17,060.92

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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.