Home / 19,320.67-26,662.87-10,822.72

Finding the Fourth Proportional to 19,320.67, 26,662.87 and 10,822.72

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Solution

The fourth proportional to 19,320.67, 26,662.87 and 10,822.72 is: 14,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.67 : 26,662.87 = 10,822.72 : x
  2. Step 2: Convert to fraction form
    19,320.67/26,662.87 = 10,822.72/x
  3. Step 3: Cross multiply
    19,320.67x = 26,662.87 × 10,822.72
  4. Step 4: Simplify right side
    19,320.67x = 288,564,776.41
  5. Step 5: Solve for x
    x = 288,564,776.41/19,320.67
  6. Step 6: Final answer
    x = 14,935.55

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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.