Home / 22,429.64-30,953.94-13,003.40

Finding the Fourth Proportional to 22,429.64, 30,953.94 and 13,003.40

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Solution

The fourth proportional to 22,429.64, 30,953.94 and 13,003.40 is: 17,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.64 : 30,953.94 = 13,003.40 : x
  2. Step 2: Convert to fraction form
    22,429.64/30,953.94 = 13,003.40/x
  3. Step 3: Cross multiply
    22,429.64x = 30,953.94 × 13,003.40
  4. Step 4: Simplify right side
    22,429.64x = 402,506,463.40
  5. Step 5: Solve for x
    x = 402,506,463.40/22,429.64
  6. Step 6: Final answer
    x = 17,945.29

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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.