Home / 19,237.87-28,856.62-10,357.35

Finding the Fourth Proportional to 19,237.87, 28,856.62 and 10,357.35

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Solution

The fourth proportional to 19,237.87, 28,856.62 and 10,357.35 is: 15,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.87 : 28,856.62 = 10,357.35 : x
  2. Step 2: Convert to fraction form
    19,237.87/28,856.62 = 10,357.35/x
  3. Step 3: Cross multiply
    19,237.87x = 28,856.62 × 10,357.35
  4. Step 4: Simplify right side
    19,237.87x = 298,878,113.16
  5. Step 5: Solve for x
    x = 298,878,113.16/19,237.87
  6. Step 6: Final answer
    x = 15,535.93

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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.