Home / 15,892.02-23,812.66-12,916.05

Finding the Fourth Proportional to 15,892.02, 23,812.66 and 12,916.05

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Solution

The fourth proportional to 15,892.02, 23,812.66 and 12,916.05 is: 19,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,892.02 : 23,812.66 = 12,916.05 : x
  2. Step 2: Convert to fraction form
    15,892.02/23,812.66 = 12,916.05/x
  3. Step 3: Cross multiply
    15,892.02x = 23,812.66 × 12,916.05
  4. Step 4: Simplify right side
    15,892.02x = 307,565,507.19
  5. Step 5: Solve for x
    x = 307,565,507.19/15,892.02
  6. Step 6: Final answer
    x = 19,353.46

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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.