Home / 21,062.95-29,068.40-12,113.26

Finding the Fourth Proportional to 21,062.95, 29,068.40 and 12,113.26

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Solution

The fourth proportional to 21,062.95, 29,068.40 and 12,113.26 is: 16,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.95 : 29,068.40 = 12,113.26 : x
  2. Step 2: Convert to fraction form
    21,062.95/29,068.40 = 12,113.26/x
  3. Step 3: Cross multiply
    21,062.95x = 29,068.40 × 12,113.26
  4. Step 4: Simplify right side
    21,062.95x = 352,113,086.98
  5. Step 5: Solve for x
    x = 352,113,086.98/21,062.95
  6. Step 6: Final answer
    x = 16,717.18

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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.