Home / 12,859.95-19,291.47-4,538.25

Finding the Fourth Proportional to 12,859.95, 19,291.47 and 4,538.25

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Solution

The fourth proportional to 12,859.95, 19,291.47 and 4,538.25 is: 6,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.95 : 19,291.47 = 4,538.25 : x
  2. Step 2: Convert to fraction form
    12,859.95/19,291.47 = 4,538.25/x
  3. Step 3: Cross multiply
    12,859.95x = 19,291.47 × 4,538.25
  4. Step 4: Simplify right side
    12,859.95x = 87,549,513.73
  5. Step 5: Solve for x
    x = 87,549,513.73/12,859.95
  6. Step 6: Final answer
    x = 6,807.92

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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.