Home / 35,515.16-53,261.73-12,136.13

Finding the Fourth Proportional to 35,515.16, 53,261.73 and 12,136.13

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Solution

The fourth proportional to 35,515.16, 53,261.73 and 12,136.13 is: 18,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.16 : 53,261.73 = 12,136.13 : x
  2. Step 2: Convert to fraction form
    35,515.16/53,261.73 = 12,136.13/x
  3. Step 3: Cross multiply
    35,515.16x = 53,261.73 × 12,136.13
  4. Step 4: Simplify right side
    35,515.16x = 646,391,013.00
  5. Step 5: Solve for x
    x = 646,391,013.00/35,515.16
  6. Step 6: Final answer
    x = 18,200.43

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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.