Home / 9,981.66-14,972.54-2,585.60

Finding the Fourth Proportional to 9,981.66, 14,972.54 and 2,585.60

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Solution

The fourth proportional to 9,981.66, 14,972.54 and 2,585.60 is: 3,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.66 : 14,972.54 = 2,585.60 : x
  2. Step 2: Convert to fraction form
    9,981.66/14,972.54 = 2,585.60/x
  3. Step 3: Cross multiply
    9,981.66x = 14,972.54 × 2,585.60
  4. Step 4: Simplify right side
    9,981.66x = 38,712,911.63
  5. Step 5: Solve for x
    x = 38,712,911.63/9,981.66
  6. Step 6: Final answer
    x = 3,878.40

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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.