Home / 12,689.04-19,022.60-4,903.32

Finding the Fourth Proportional to 12,689.04, 19,022.60 and 4,903.32

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Solution

The fourth proportional to 12,689.04, 19,022.60 and 4,903.32 is: 7,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689.04 : 19,022.60 = 4,903.32 : x
  2. Step 2: Convert to fraction form
    12,689.04/19,022.60 = 4,903.32/x
  3. Step 3: Cross multiply
    12,689.04x = 19,022.60 × 4,903.32
  4. Step 4: Simplify right side
    12,689.04x = 93,273,895.03
  5. Step 5: Solve for x
    x = 93,273,895.03/12,689.04
  6. Step 6: Final answer
    x = 7,350.74

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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.