Home / 13,246.08-19,862.88-4,478.40

Finding the Fourth Proportional to 13,246.08, 19,862.88 and 4,478.40

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Solution

The fourth proportional to 13,246.08, 19,862.88 and 4,478.40 is: 6,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.08 : 19,862.88 = 4,478.40 : x
  2. Step 2: Convert to fraction form
    13,246.08/19,862.88 = 4,478.40/x
  3. Step 3: Cross multiply
    13,246.08x = 19,862.88 × 4,478.40
  4. Step 4: Simplify right side
    13,246.08x = 88,953,921.79
  5. Step 5: Solve for x
    x = 88,953,921.79/13,246.08
  6. Step 6: Final answer
    x = 6,715.49

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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.