Home / 19,370.88-26,732.64-10,988.16

Finding the Fourth Proportional to 19,370.88, 26,732.64 and 10,988.16

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Solution

The fourth proportional to 19,370.88, 26,732.64 and 10,988.16 is: 15,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.88 : 26,732.64 = 10,988.16 : x
  2. Step 2: Convert to fraction form
    19,370.88/26,732.64 = 10,988.16/x
  3. Step 3: Cross multiply
    19,370.88x = 26,732.64 × 10,988.16
  4. Step 4: Simplify right side
    19,370.88x = 293,742,525.54
  5. Step 5: Solve for x
    x = 293,742,525.54/19,370.88
  6. Step 6: Final answer
    x = 15,164.13

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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.