Home / 21,510.90-32,256.63-7,660.26

Finding the Fourth Proportional to 21,510.90, 32,256.63 and 7,660.26

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Solution

The fourth proportional to 21,510.90, 32,256.63 and 7,660.26 is: 11,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.90 : 32,256.63 = 7,660.26 : x
  2. Step 2: Convert to fraction form
    21,510.90/32,256.63 = 7,660.26/x
  3. Step 3: Cross multiply
    21,510.90x = 32,256.63 × 7,660.26
  4. Step 4: Simplify right side
    21,510.90x = 247,094,172.52
  5. Step 5: Solve for x
    x = 247,094,172.52/21,510.90
  6. Step 6: Final answer
    x = 11,486.93

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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.