Home / 15,800.19-21,807.68-10,776.41

Finding the Fourth Proportional to 15,800.19, 21,807.68 and 10,776.41

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Solution

The fourth proportional to 15,800.19, 21,807.68 and 10,776.41 is: 14,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.19 : 21,807.68 = 10,776.41 : x
  2. Step 2: Convert to fraction form
    15,800.19/21,807.68 = 10,776.41/x
  3. Step 3: Cross multiply
    15,800.19x = 21,807.68 × 10,776.41
  4. Step 4: Simplify right side
    15,800.19x = 235,008,337.91
  5. Step 5: Solve for x
    x = 235,008,337.91/15,800.19
  6. Step 6: Final answer
    x = 14,873.77

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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.