Home / 21,510.90-32,265.81-6,726.78

Finding the Fourth Proportional to 21,510.90, 32,265.81 and 6,726.78

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Solution

The fourth proportional to 21,510.90, 32,265.81 and 6,726.78 is: 10,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.90 : 32,265.81 = 6,726.78 : x
  2. Step 2: Convert to fraction form
    21,510.90/32,265.81 = 6,726.78/x
  3. Step 3: Cross multiply
    21,510.90x = 32,265.81 × 6,726.78
  4. Step 4: Simplify right side
    21,510.90x = 217,045,005.39
  5. Step 5: Solve for x
    x = 217,045,005.39/21,510.90
  6. Step 6: Final answer
    x = 10,090.00

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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.