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Finding the Fourth Proportional to 36,869.06, 55,303.81 and 9,167.06

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Solution

The fourth proportional to 36,869.06, 55,303.81 and 9,167.06 is: 13,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.06 : 55,303.81 = 9,167.06 : x
  2. Step 2: Convert to fraction form
    36,869.06/55,303.81 = 9,167.06/x
  3. Step 3: Cross multiply
    36,869.06x = 55,303.81 × 9,167.06
  4. Step 4: Simplify right side
    36,869.06x = 506,973,459.84
  5. Step 5: Solve for x
    x = 506,973,459.84/36,869.06
  6. Step 6: Final answer
    x = 13,750.65

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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.