Home / 19,110.95-28,667.70-5,070.77

Finding the Fourth Proportional to 19,110.95, 28,667.70 and 5,070.77

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Solution

The fourth proportional to 19,110.95, 28,667.70 and 5,070.77 is: 7,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.95 : 28,667.70 = 5,070.77 : x
  2. Step 2: Convert to fraction form
    19,110.95/28,667.70 = 5,070.77/x
  3. Step 3: Cross multiply
    19,110.95x = 28,667.70 × 5,070.77
  4. Step 4: Simplify right side
    19,110.95x = 145,367,169.79
  5. Step 5: Solve for x
    x = 145,367,169.79/19,110.95
  6. Step 6: Final answer
    x = 7,606.49

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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.