Home / 13,257.69-19,886.58-4,498.80

Finding the Fourth Proportional to 13,257.69, 19,886.58 and 4,498.80

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Solution

The fourth proportional to 13,257.69, 19,886.58 and 4,498.80 is: 6,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.69 : 19,886.58 = 4,498.80 : x
  2. Step 2: Convert to fraction form
    13,257.69/19,886.58 = 4,498.80/x
  3. Step 3: Cross multiply
    13,257.69x = 19,886.58 × 4,498.80
  4. Step 4: Simplify right side
    13,257.69x = 89,465,746.10
  5. Step 5: Solve for x
    x = 89,465,746.10/13,257.69
  6. Step 6: Final answer
    x = 6,748.22

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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.