Home / 15,678.15-23,522.62-13,355.74

Finding the Fourth Proportional to 15,678.15, 23,522.62 and 13,355.74

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Solution

The fourth proportional to 15,678.15, 23,522.62 and 13,355.74 is: 20,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.15 : 23,522.62 = 13,355.74 : x
  2. Step 2: Convert to fraction form
    15,678.15/23,522.62 = 13,355.74/x
  3. Step 3: Cross multiply
    15,678.15x = 23,522.62 × 13,355.74
  4. Step 4: Simplify right side
    15,678.15x = 314,161,996.84
  5. Step 5: Solve for x
    x = 314,161,996.84/15,678.15
  6. Step 6: Final answer
    x = 20,038.21

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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.