Home / 21,244.02-29,316.57-11,812.50

Finding the Fourth Proportional to 21,244.02, 29,316.57 and 11,812.50

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Solution

The fourth proportional to 21,244.02, 29,316.57 and 11,812.50 is: 16,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.02 : 29,316.57 = 11,812.50 : x
  2. Step 2: Convert to fraction form
    21,244.02/29,316.57 = 11,812.50/x
  3. Step 3: Cross multiply
    21,244.02x = 29,316.57 × 11,812.50
  4. Step 4: Simplify right side
    21,244.02x = 346,301,983.13
  5. Step 5: Solve for x
    x = 346,301,983.13/21,244.02
  6. Step 6: Final answer
    x = 16,301.15

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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.