Home / 15,807.32-21,824.28-10,144.51

Finding the Fourth Proportional to 15,807.32, 21,824.28 and 10,144.51

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Solution

The fourth proportional to 15,807.32, 21,824.28 and 10,144.51 is: 14,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.32 : 21,824.28 = 10,144.51 : x
  2. Step 2: Convert to fraction form
    15,807.32/21,824.28 = 10,144.51/x
  3. Step 3: Cross multiply
    15,807.32x = 21,824.28 × 10,144.51
  4. Step 4: Simplify right side
    15,807.32x = 221,396,666.37
  5. Step 5: Solve for x
    x = 221,396,666.37/15,807.32
  6. Step 6: Final answer
    x = 14,005.95

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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.