Home / 10,667.60-14,721.16-6,192.08

Finding the Fourth Proportional to 10,667.60, 14,721.16 and 6,192.08

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Solution

The fourth proportional to 10,667.60, 14,721.16 and 6,192.08 is: 8,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.60 : 14,721.16 = 6,192.08 : x
  2. Step 2: Convert to fraction form
    10,667.60/14,721.16 = 6,192.08/x
  3. Step 3: Cross multiply
    10,667.60x = 14,721.16 × 6,192.08
  4. Step 4: Simplify right side
    10,667.60x = 91,154,600.41
  5. Step 5: Solve for x
    x = 91,154,600.41/10,667.60
  6. Step 6: Final answer
    x = 8,545.00

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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.