Home / 15,776.31-21,763.51-10,322.18

Finding the Fourth Proportional to 15,776.31, 21,763.51 and 10,322.18

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Solution

The fourth proportional to 15,776.31, 21,763.51 and 10,322.18 is: 14,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.31 : 21,763.51 = 10,322.18 : x
  2. Step 2: Convert to fraction form
    15,776.31/21,763.51 = 10,322.18/x
  3. Step 3: Cross multiply
    15,776.31x = 21,763.51 × 10,322.18
  4. Step 4: Simplify right side
    15,776.31x = 224,646,733.03
  5. Step 5: Solve for x
    x = 224,646,733.03/15,776.31
  6. Step 6: Final answer
    x = 14,239.50

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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.