Home / 19,372.55-26,736.93-10,878.18

Finding the Fourth Proportional to 19,372.55, 26,736.93 and 10,878.18

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Solution

The fourth proportional to 19,372.55, 26,736.93 and 10,878.18 is: 15,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.55 : 26,736.93 = 10,878.18 : x
  2. Step 2: Convert to fraction form
    19,372.55/26,736.93 = 10,878.18/x
  3. Step 3: Cross multiply
    19,372.55x = 26,736.93 × 10,878.18
  4. Step 4: Simplify right side
    19,372.55x = 290,849,137.19
  5. Step 5: Solve for x
    x = 290,849,137.19/19,372.55
  6. Step 6: Final answer
    x = 15,013.47

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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.