Home / 9,209.91-12,709.67-5,018.16

Finding the Fourth Proportional to 9,209.91, 12,709.67 and 5,018.16

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Solution

The fourth proportional to 9,209.91, 12,709.67 and 5,018.16 is: 6,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.91 : 12,709.67 = 5,018.16 : x
  2. Step 2: Convert to fraction form
    9,209.91/12,709.67 = 5,018.16/x
  3. Step 3: Cross multiply
    9,209.91x = 12,709.67 × 5,018.16
  4. Step 4: Simplify right side
    9,209.91x = 63,779,122.49
  5. Step 5: Solve for x
    x = 63,779,122.49/9,209.91
  6. Step 6: Final answer
    x = 6,925.06

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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.