Home / 19,142.70-26,417.58-10,647.21

Finding the Fourth Proportional to 19,142.70, 26,417.58 and 10,647.21

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Solution

The fourth proportional to 19,142.70, 26,417.58 and 10,647.21 is: 14,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.70 : 26,417.58 = 10,647.21 : x
  2. Step 2: Convert to fraction form
    19,142.70/26,417.58 = 10,647.21/x
  3. Step 3: Cross multiply
    19,142.70x = 26,417.58 × 10,647.21
  4. Step 4: Simplify right side
    19,142.70x = 281,273,581.09
  5. Step 5: Solve for x
    x = 281,273,581.09/19,142.70
  6. Step 6: Final answer
    x = 14,693.52

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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.