Home / 18,536.04-25,579.80-10,152.72

Finding the Fourth Proportional to 18,536.04, 25,579.80 and 10,152.72

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Solution

The fourth proportional to 18,536.04, 25,579.80 and 10,152.72 is: 14,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.04 : 25,579.80 = 10,152.72 : x
  2. Step 2: Convert to fraction form
    18,536.04/25,579.80 = 10,152.72/x
  3. Step 3: Cross multiply
    18,536.04x = 25,579.80 × 10,152.72
  4. Step 4: Simplify right side
    18,536.04x = 259,704,547.06
  5. Step 5: Solve for x
    x = 259,704,547.06/18,536.04
  6. Step 6: Final answer
    x = 14,010.79

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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.