Home / 8,923.60-12,314.66-5,386.14

Finding the Fourth Proportional to 8,923.60, 12,314.66 and 5,386.14

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Solution

The fourth proportional to 8,923.60, 12,314.66 and 5,386.14 is: 7,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.60 : 12,314.66 = 5,386.14 : x
  2. Step 2: Convert to fraction form
    8,923.60/12,314.66 = 5,386.14/x
  3. Step 3: Cross multiply
    8,923.60x = 12,314.66 × 5,386.14
  4. Step 4: Simplify right side
    8,923.60x = 66,328,482.81
  5. Step 5: Solve for x
    x = 66,328,482.81/8,923.60
  6. Step 6: Final answer
    x = 7,432.93

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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.