Home / 21,304.07-31,956.18-6,512.93

Finding the Fourth Proportional to 21,304.07, 31,956.18 and 6,512.93

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Solution

The fourth proportional to 21,304.07, 31,956.18 and 6,512.93 is: 9,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.07 : 31,956.18 = 6,512.93 : x
  2. Step 2: Convert to fraction form
    21,304.07/31,956.18 = 6,512.93/x
  3. Step 3: Cross multiply
    21,304.07x = 31,956.18 × 6,512.93
  4. Step 4: Simplify right side
    21,304.07x = 208,128,363.41
  5. Step 5: Solve for x
    x = 208,128,363.41/21,304.07
  6. Step 6: Final answer
    x = 9,769.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.