Home / 12,937.03-19,390.35-12,798.52

Finding the Fourth Proportional to 12,937.03, 19,390.35 and 12,798.52

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Solution

The fourth proportional to 12,937.03, 19,390.35 and 12,798.52 is: 19,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.03 : 19,390.35 = 12,798.52 : x
  2. Step 2: Convert to fraction form
    12,937.03/19,390.35 = 12,798.52/x
  3. Step 3: Cross multiply
    12,937.03x = 19,390.35 × 12,798.52
  4. Step 4: Simplify right side
    12,937.03x = 248,167,782.28
  5. Step 5: Solve for x
    x = 248,167,782.28/12,937.03
  6. Step 6: Final answer
    x = 19,182.75

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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.