Home / 9,688.16-14,532.32-5,780.80

Finding the Fourth Proportional to 9,688.16, 14,532.32 and 5,780.80

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Solution

The fourth proportional to 9,688.16, 14,532.32 and 5,780.80 is: 8,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.16 : 14,532.32 = 5,780.80 : x
  2. Step 2: Convert to fraction form
    9,688.16/14,532.32 = 5,780.80/x
  3. Step 3: Cross multiply
    9,688.16x = 14,532.32 × 5,780.80
  4. Step 4: Simplify right side
    9,688.16x = 84,008,435.46
  5. Step 5: Solve for x
    x = 84,008,435.46/9,688.16
  6. Step 6: Final answer
    x = 8,671.25

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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.