Home / 12,948.01-19,427.91-6,280.90

Finding the Fourth Proportional to 12,948.01, 19,427.91 and 6,280.90

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Solution

The fourth proportional to 12,948.01, 19,427.91 and 6,280.90 is: 9,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.01 : 19,427.91 = 6,280.90 : x
  2. Step 2: Convert to fraction form
    12,948.01/19,427.91 = 6,280.90/x
  3. Step 3: Cross multiply
    12,948.01x = 19,427.91 × 6,280.90
  4. Step 4: Simplify right side
    12,948.01x = 122,024,828.81
  5. Step 5: Solve for x
    x = 122,024,828.81/12,948.01
  6. Step 6: Final answer
    x = 9,424.22

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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.