Home / 12,810.92-19,216.90-4,045.84

Finding the Fourth Proportional to 12,810.92, 19,216.90 and 4,045.84

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Solution

The fourth proportional to 12,810.92, 19,216.90 and 4,045.84 is: 6,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.92 : 19,216.90 = 4,045.84 : x
  2. Step 2: Convert to fraction form
    12,810.92/19,216.90 = 4,045.84/x
  3. Step 3: Cross multiply
    12,810.92x = 19,216.90 × 4,045.84
  4. Step 4: Simplify right side
    12,810.92x = 77,748,531.77
  5. Step 5: Solve for x
    x = 77,748,531.77/12,810.92
  6. Step 6: Final answer
    x = 6,068.92

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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.