Home / 15,370.96-21,203.64-10,275.28

Finding the Fourth Proportional to 15,370.96, 21,203.64 and 10,275.28

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Solution

The fourth proportional to 15,370.96, 21,203.64 and 10,275.28 is: 14,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.96 : 21,203.64 = 10,275.28 : x
  2. Step 2: Convert to fraction form
    15,370.96/21,203.64 = 10,275.28/x
  3. Step 3: Cross multiply
    15,370.96x = 21,203.64 × 10,275.28
  4. Step 4: Simplify right side
    15,370.96x = 217,873,338.02
  5. Step 5: Solve for x
    x = 217,873,338.02/15,370.96
  6. Step 6: Final answer
    x = 14,174.35

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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.