Home / 19,130.83-28,667.01-8,031.45

Finding the Fourth Proportional to 19,130.83, 28,667.01 and 8,031.45

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Solution

The fourth proportional to 19,130.83, 28,667.01 and 8,031.45 is: 12,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.83 : 28,667.01 = 8,031.45 : x
  2. Step 2: Convert to fraction form
    19,130.83/28,667.01 = 8,031.45/x
  3. Step 3: Cross multiply
    19,130.83x = 28,667.01 × 8,031.45
  4. Step 4: Simplify right side
    19,130.83x = 230,237,795.08
  5. Step 5: Solve for x
    x = 230,237,795.08/19,130.83
  6. Step 6: Final answer
    x = 12,034.91

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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.