Home / 19,356.68-26,711.88-10,973

Finding the Fourth Proportional to 19,356.68, 26,711.88 and 10,973

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Solution

The fourth proportional to 19,356.68, 26,711.88 and 10,973 is: 15,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.68 : 26,711.88 = 10,973 : x
  2. Step 2: Convert to fraction form
    19,356.68/26,711.88 = 10,973/x
  3. Step 3: Cross multiply
    19,356.68x = 26,711.88 × 10,973
  4. Step 4: Simplify right side
    19,356.68x = 293,109,459.24
  5. Step 5: Solve for x
    x = 293,109,459.24/19,356.68
  6. Step 6: Final answer
    x = 15,142.55

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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.