Home / 21,705.29-32,557.93-10,012.13

Finding the Fourth Proportional to 21,705.29, 32,557.93 and 10,012.13

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Solution

The fourth proportional to 21,705.29, 32,557.93 and 10,012.13 is: 15,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.29 : 32,557.93 = 10,012.13 : x
  2. Step 2: Convert to fraction form
    21,705.29/32,557.93 = 10,012.13/x
  3. Step 3: Cross multiply
    21,705.29x = 32,557.93 × 10,012.13
  4. Step 4: Simplify right side
    21,705.29x = 325,974,227.69
  5. Step 5: Solve for x
    x = 325,974,227.69/21,705.29
  6. Step 6: Final answer
    x = 15,018.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.