Home / 15,323.87-21,155.81-10,027.93

Finding the Fourth Proportional to 15,323.87, 21,155.81 and 10,027.93

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Solution

The fourth proportional to 15,323.87, 21,155.81 and 10,027.93 is: 13,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.87 : 21,155.81 = 10,027.93 : x
  2. Step 2: Convert to fraction form
    15,323.87/21,155.81 = 10,027.93/x
  3. Step 3: Cross multiply
    15,323.87x = 21,155.81 × 10,027.93
  4. Step 4: Simplify right side
    15,323.87x = 212,148,981.77
  5. Step 5: Solve for x
    x = 212,148,981.77/15,323.87
  6. Step 6: Final answer
    x = 13,844.35

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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.