Home / 11,068.71-15,289.74-10,281.39

Finding the Fourth Proportional to 11,068.71, 15,289.74 and 10,281.39

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Solution

The fourth proportional to 11,068.71, 15,289.74 and 10,281.39 is: 14,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.71 : 15,289.74 = 10,281.39 : x
  2. Step 2: Convert to fraction form
    11,068.71/15,289.74 = 10,281.39/x
  3. Step 3: Cross multiply
    11,068.71x = 15,289.74 × 10,281.39
  4. Step 4: Simplify right side
    11,068.71x = 157,199,779.94
  5. Step 5: Solve for x
    x = 157,199,779.94/11,068.71
  6. Step 6: Final answer
    x = 14,202.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.