Home / 21,244.51-31,866.75-10,117.46

Finding the Fourth Proportional to 21,244.51, 31,866.75 and 10,117.46

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Solution

The fourth proportional to 21,244.51, 31,866.75 and 10,117.46 is: 15,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.51 : 31,866.75 = 10,117.46 : x
  2. Step 2: Convert to fraction form
    21,244.51/31,866.75 = 10,117.46/x
  3. Step 3: Cross multiply
    21,244.51x = 31,866.75 × 10,117.46
  4. Step 4: Simplify right side
    21,244.51x = 322,410,648.12
  5. Step 5: Solve for x
    x = 322,410,648.12/21,244.51
  6. Step 6: Final answer
    x = 15,176.19

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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.