Home / 9,166.19-12,647.14-5,389.16

Finding the Fourth Proportional to 9,166.19, 12,647.14 and 5,389.16

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Solution

The fourth proportional to 9,166.19, 12,647.14 and 5,389.16 is: 7,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.19 : 12,647.14 = 5,389.16 : x
  2. Step 2: Convert to fraction form
    9,166.19/12,647.14 = 5,389.16/x
  3. Step 3: Cross multiply
    9,166.19x = 12,647.14 × 5,389.16
  4. Step 4: Simplify right side
    9,166.19x = 68,157,384.29
  5. Step 5: Solve for x
    x = 68,157,384.29/9,166.19
  6. Step 6: Final answer
    x = 7,435.74

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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.