Home / 19,278.72-28,918.08-10,062.72

Finding the Fourth Proportional to 19,278.72, 28,918.08 and 10,062.72

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Solution

The fourth proportional to 19,278.72, 28,918.08 and 10,062.72 is: 15,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.72 : 28,918.08 = 10,062.72 : x
  2. Step 2: Convert to fraction form
    19,278.72/28,918.08 = 10,062.72/x
  3. Step 3: Cross multiply
    19,278.72x = 28,918.08 × 10,062.72
  4. Step 4: Simplify right side
    19,278.72x = 290,994,541.98
  5. Step 5: Solve for x
    x = 290,994,541.98/19,278.72
  6. Step 6: Final answer
    x = 15,094.08

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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.