Home / 12,746.74-19,122.05-6,503.34

Finding the Fourth Proportional to 12,746.74, 19,122.05 and 6,503.34

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Solution

The fourth proportional to 12,746.74, 19,122.05 and 6,503.34 is: 9,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.74 : 19,122.05 = 6,503.34 : x
  2. Step 2: Convert to fraction form
    12,746.74/19,122.05 = 6,503.34/x
  3. Step 3: Cross multiply
    12,746.74x = 19,122.05 × 6,503.34
  4. Step 4: Simplify right side
    12,746.74x = 124,357,275.77
  5. Step 5: Solve for x
    x = 124,357,275.77/12,746.74
  6. Step 6: Final answer
    x = 9,756.01

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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.