Home / 9,368.16-12,927.84-5,176.32

Finding the Fourth Proportional to 9,368.16, 12,927.84 and 5,176.32

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Solution

The fourth proportional to 9,368.16, 12,927.84 and 5,176.32 is: 7,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.16 : 12,927.84 = 5,176.32 : x
  2. Step 2: Convert to fraction form
    9,368.16/12,927.84 = 5,176.32/x
  3. Step 3: Cross multiply
    9,368.16x = 12,927.84 × 5,176.32
  4. Step 4: Simplify right side
    9,368.16x = 66,918,636.75
  5. Step 5: Solve for x
    x = 66,918,636.75/9,368.16
  6. Step 6: Final answer
    x = 7,143.20

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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.