Home / 13,095.08-19,639.80-4,327.92

Finding the Fourth Proportional to 13,095.08, 19,639.80 and 4,327.92

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Solution

The fourth proportional to 13,095.08, 19,639.80 and 4,327.92 is: 6,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.08 : 19,639.80 = 4,327.92 : x
  2. Step 2: Convert to fraction form
    13,095.08/19,639.80 = 4,327.92/x
  3. Step 3: Cross multiply
    13,095.08x = 19,639.80 × 4,327.92
  4. Step 4: Simplify right side
    13,095.08x = 84,999,483.22
  5. Step 5: Solve for x
    x = 84,999,483.22/13,095.08
  6. Step 6: Final answer
    x = 6,490.95

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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.