Home / 10,667.60-14,717.40-6,191

Finding the Fourth Proportional to 10,667.60, 14,717.40 and 6,191

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Solution

The fourth proportional to 10,667.60, 14,717.40 and 6,191 is: 8,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.60 : 14,717.40 = 6,191 : x
  2. Step 2: Convert to fraction form
    10,667.60/14,717.40 = 6,191/x
  3. Step 3: Cross multiply
    10,667.60x = 14,717.40 × 6,191
  4. Step 4: Simplify right side
    10,667.60x = 91,115,423.40
  5. Step 5: Solve for x
    x = 91,115,423.40/10,667.60
  6. Step 6: Final answer
    x = 8,541.32

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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.