Home / 9,117.30-13,667.70-6,345.30

Finding the Fourth Proportional to 9,117.30, 13,667.70 and 6,345.30

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Solution

The fourth proportional to 9,117.30, 13,667.70 and 6,345.30 is: 9,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.30 : 13,667.70 = 6,345.30 : x
  2. Step 2: Convert to fraction form
    9,117.30/13,667.70 = 6,345.30/x
  3. Step 3: Cross multiply
    9,117.30x = 13,667.70 × 6,345.30
  4. Step 4: Simplify right side
    9,117.30x = 86,725,656.81
  5. Step 5: Solve for x
    x = 86,725,656.81/9,117.30
  6. Step 6: Final answer
    x = 9,512.21

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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.