Home / 21,510.36-32,264.10-6,720.48

Finding the Fourth Proportional to 21,510.36, 32,264.10 and 6,720.48

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Solution

The fourth proportional to 21,510.36, 32,264.10 and 6,720.48 is: 10,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.36 : 32,264.10 = 6,720.48 : x
  2. Step 2: Convert to fraction form
    21,510.36/32,264.10 = 6,720.48/x
  3. Step 3: Cross multiply
    21,510.36x = 32,264.10 × 6,720.48
  4. Step 4: Simplify right side
    21,510.36x = 216,830,238.77
  5. Step 5: Solve for x
    x = 216,830,238.77/21,510.36
  6. Step 6: Final answer
    x = 10,080.27

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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.