Home / 12,746.32-19,118.90-6,506.16

Finding the Fourth Proportional to 12,746.32, 19,118.90 and 6,506.16

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Solution

The fourth proportional to 12,746.32, 19,118.90 and 6,506.16 is: 9,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.32 : 19,118.90 = 6,506.16 : x
  2. Step 2: Convert to fraction form
    12,746.32/19,118.90 = 6,506.16/x
  3. Step 3: Cross multiply
    12,746.32x = 19,118.90 × 6,506.16
  4. Step 4: Simplify right side
    12,746.32x = 124,390,622.42
  5. Step 5: Solve for x
    x = 124,390,622.42/12,746.32
  6. Step 6: Final answer
    x = 9,758.94

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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.