Home / 19,054.89-26,297.55-10,988.76

Finding the Fourth Proportional to 19,054.89, 26,297.55 and 10,988.76

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Solution

The fourth proportional to 19,054.89, 26,297.55 and 10,988.76 is: 15,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.89 : 26,297.55 = 10,988.76 : x
  2. Step 2: Convert to fraction form
    19,054.89/26,297.55 = 10,988.76/x
  3. Step 3: Cross multiply
    19,054.89x = 26,297.55 × 10,988.76
  4. Step 4: Simplify right side
    19,054.89x = 288,977,465.54
  5. Step 5: Solve for x
    x = 288,977,465.54/19,054.89
  6. Step 6: Final answer
    x = 15,165.53

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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.