Home / 11,280.48-15,568.32-6,501.84

Finding the Fourth Proportional to 11,280.48, 15,568.32 and 6,501.84

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Solution

The fourth proportional to 11,280.48, 15,568.32 and 6,501.84 is: 8,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.48 : 15,568.32 = 6,501.84 : x
  2. Step 2: Convert to fraction form
    11,280.48/15,568.32 = 6,501.84/x
  3. Step 3: Cross multiply
    11,280.48x = 15,568.32 × 6,501.84
  4. Step 4: Simplify right side
    11,280.48x = 101,222,725.71
  5. Step 5: Solve for x
    x = 101,222,725.71/11,280.48
  6. Step 6: Final answer
    x = 8,973.26

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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.