Home / 19,119.89-26,386.34-10,622.03

Finding the Fourth Proportional to 19,119.89, 26,386.34 and 10,622.03

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Solution

The fourth proportional to 19,119.89, 26,386.34 and 10,622.03 is: 14,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.89 : 26,386.34 = 10,622.03 : x
  2. Step 2: Convert to fraction form
    19,119.89/26,386.34 = 10,622.03/x
  3. Step 3: Cross multiply
    19,119.89x = 26,386.34 × 10,622.03
  4. Step 4: Simplify right side
    19,119.89x = 280,276,495.07
  5. Step 5: Solve for x
    x = 280,276,495.07/19,119.89
  6. Step 6: Final answer
    x = 14,658.90

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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.