Home / 15,399.30-23,088.02-7,905.12

Finding the Fourth Proportional to 15,399.30, 23,088.02 and 7,905.12

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Solution

The fourth proportional to 15,399.30, 23,088.02 and 7,905.12 is: 11,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.30 : 23,088.02 = 7,905.12 : x
  2. Step 2: Convert to fraction form
    15,399.30/23,088.02 = 7,905.12/x
  3. Step 3: Cross multiply
    15,399.30x = 23,088.02 × 7,905.12
  4. Step 4: Simplify right side
    15,399.30x = 182,513,568.66
  5. Step 5: Solve for x
    x = 182,513,568.66/15,399.30
  6. Step 6: Final answer
    x = 11,852.07

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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.