Home / 18,861.08-26,029.56-10,905.32

Finding the Fourth Proportional to 18,861.08, 26,029.56 and 10,905.32

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Solution

The fourth proportional to 18,861.08, 26,029.56 and 10,905.32 is: 15,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.08 : 26,029.56 = 10,905.32 : x
  2. Step 2: Convert to fraction form
    18,861.08/26,029.56 = 10,905.32/x
  3. Step 3: Cross multiply
    18,861.08x = 26,029.56 × 10,905.32
  4. Step 4: Simplify right side
    18,861.08x = 283,860,681.26
  5. Step 5: Solve for x
    x = 283,860,681.26/18,861.08
  6. Step 6: Final answer
    x = 15,050.08

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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.