Home / 13,277.90-19,796.46-12,931.62

Finding the Fourth Proportional to 13,277.90, 19,796.46 and 12,931.62

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Solution

The fourth proportional to 13,277.90, 19,796.46 and 12,931.62 is: 19,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.90 : 19,796.46 = 12,931.62 : x
  2. Step 2: Convert to fraction form
    13,277.90/19,796.46 = 12,931.62/x
  3. Step 3: Cross multiply
    13,277.90x = 19,796.46 × 12,931.62
  4. Step 4: Simplify right side
    13,277.90x = 256,000,298.07
  5. Step 5: Solve for x
    x = 256,000,298.07/13,277.90
  6. Step 6: Final answer
    x = 19,280.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.