Home / 19,188.08-26,477.76-14,155.04

Finding the Fourth Proportional to 19,188.08, 26,477.76 and 14,155.04

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Solution

The fourth proportional to 19,188.08, 26,477.76 and 14,155.04 is: 19,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.08 : 26,477.76 = 14,155.04 : x
  2. Step 2: Convert to fraction form
    19,188.08/26,477.76 = 14,155.04/x
  3. Step 3: Cross multiply
    19,188.08x = 26,477.76 × 14,155.04
  4. Step 4: Simplify right side
    19,188.08x = 374,793,751.91
  5. Step 5: Solve for x
    x = 374,793,751.91/19,188.08
  6. Step 6: Final answer
    x = 19,532.63

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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.