Home / 12,960.02-19,435.28-4,637.79

Finding the Fourth Proportional to 12,960.02, 19,435.28 and 4,637.79

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Solution

The fourth proportional to 12,960.02, 19,435.28 and 4,637.79 is: 6,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.02 : 19,435.28 = 4,637.79 : x
  2. Step 2: Convert to fraction form
    12,960.02/19,435.28 = 4,637.79/x
  3. Step 3: Cross multiply
    12,960.02x = 19,435.28 × 4,637.79
  4. Step 4: Simplify right side
    12,960.02x = 90,136,724.04
  5. Step 5: Solve for x
    x = 90,136,724.04/12,960.02
  6. Step 6: Final answer
    x = 6,954.98

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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.