Home / 12,946.09-19,377.36-6,697.49

Finding the Fourth Proportional to 12,946.09, 19,377.36 and 6,697.49

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Solution

The fourth proportional to 12,946.09, 19,377.36 and 6,697.49 is: 10,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.09 : 19,377.36 = 6,697.49 : x
  2. Step 2: Convert to fraction form
    12,946.09/19,377.36 = 6,697.49/x
  3. Step 3: Cross multiply
    12,946.09x = 19,377.36 × 6,697.49
  4. Step 4: Simplify right side
    12,946.09x = 129,779,641.34
  5. Step 5: Solve for x
    x = 129,779,641.34/12,946.09
  6. Step 6: Final answer
    x = 10,024.62

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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.