Home / 12,726.77-19,089.95-3,962.16

Finding the Fourth Proportional to 12,726.77, 19,089.95 and 3,962.16

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Solution

The fourth proportional to 12,726.77, 19,089.95 and 3,962.16 is: 5,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.77 : 19,089.95 = 3,962.16 : x
  2. Step 2: Convert to fraction form
    12,726.77/19,089.95 = 3,962.16/x
  3. Step 3: Cross multiply
    12,726.77x = 19,089.95 × 3,962.16
  4. Step 4: Simplify right side
    12,726.77x = 75,637,416.48
  5. Step 5: Solve for x
    x = 75,637,416.48/12,726.77
  6. Step 6: Final answer
    x = 5,943.18

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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.