Home / 24,678.87-34,056.74-13,348.40

Finding the Fourth Proportional to 24,678.87, 34,056.74 and 13,348.40

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Solution

The fourth proportional to 24,678.87, 34,056.74 and 13,348.40 is: 18,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,678.87 : 34,056.74 = 13,348.40 : x
  2. Step 2: Convert to fraction form
    24,678.87/34,056.74 = 13,348.40/x
  3. Step 3: Cross multiply
    24,678.87x = 34,056.74 × 13,348.40
  4. Step 4: Simplify right side
    24,678.87x = 454,602,751.19
  5. Step 5: Solve for x
    x = 454,602,751.19/24,678.87
  6. Step 6: Final answer
    x = 18,420.73

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1.5x scale

Why These Related Problems?

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