Home / 22,746.48-31,389.20-12,674.40

Finding the Fourth Proportional to 22,746.48, 31,389.20 and 12,674.40

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Solution

The fourth proportional to 22,746.48, 31,389.20 and 12,674.40 is: 17,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.48 : 31,389.20 = 12,674.40 : x
  2. Step 2: Convert to fraction form
    22,746.48/31,389.20 = 12,674.40/x
  3. Step 3: Cross multiply
    22,746.48x = 31,389.20 × 12,674.40
  4. Step 4: Simplify right side
    22,746.48x = 397,839,276.48
  5. Step 5: Solve for x
    x = 397,839,276.48/22,746.48
  6. Step 6: Final answer
    x = 17,490.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.