Home / 14,009.56-19,332.03-7,721.92

Finding the Fourth Proportional to 14,009.56, 19,332.03 and 7,721.92

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Solution

The fourth proportional to 14,009.56, 19,332.03 and 7,721.92 is: 10,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.56 : 19,332.03 = 7,721.92 : x
  2. Step 2: Convert to fraction form
    14,009.56/19,332.03 = 7,721.92/x
  3. Step 3: Cross multiply
    14,009.56x = 19,332.03 × 7,721.92
  4. Step 4: Simplify right side
    14,009.56x = 149,280,389.10
  5. Step 5: Solve for x
    x = 149,280,389.10/14,009.56
  6. Step 6: Final answer
    x = 10,655.61

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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.