Home / 10,905.66-15,041.67-7,365.18

Finding the Fourth Proportional to 10,905.66, 15,041.67 and 7,365.18

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Solution

The fourth proportional to 10,905.66, 15,041.67 and 7,365.18 is: 10,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.66 : 15,041.67 = 7,365.18 : x
  2. Step 2: Convert to fraction form
    10,905.66/15,041.67 = 7,365.18/x
  3. Step 3: Cross multiply
    10,905.66x = 15,041.67 × 7,365.18
  4. Step 4: Simplify right side
    10,905.66x = 110,784,607.05
  5. Step 5: Solve for x
    x = 110,784,607.05/10,905.66
  6. Step 6: Final answer
    x = 10,158.45

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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.