Home / 19,123.14-28,686.52-7,437.26

Finding the Fourth Proportional to 19,123.14, 28,686.52 and 7,437.26

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Solution

The fourth proportional to 19,123.14, 28,686.52 and 7,437.26 is: 11,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.14 : 28,686.52 = 7,437.26 : x
  2. Step 2: Convert to fraction form
    19,123.14/28,686.52 = 7,437.26/x
  3. Step 3: Cross multiply
    19,123.14x = 28,686.52 × 7,437.26
  4. Step 4: Simplify right side
    19,123.14x = 213,349,107.74
  5. Step 5: Solve for x
    x = 213,349,107.74/19,123.14
  6. Step 6: Final answer
    x = 11,156.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.