Home / 19,069-26,316.30-10,688.20

Finding the Fourth Proportional to 19,069, 26,316.30 and 10,688.20

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Solution

The fourth proportional to 19,069, 26,316.30 and 10,688.20 is: 14,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069 : 26,316.30 = 10,688.20 : x
  2. Step 2: Convert to fraction form
    19,069/26,316.30 = 10,688.20/x
  3. Step 3: Cross multiply
    19,069x = 26,316.30 × 10,688.20
  4. Step 4: Simplify right side
    19,069x = 281,273,877.66
  5. Step 5: Solve for x
    x = 281,273,877.66/19,069
  6. Step 6: Final answer
    x = 14,750.32

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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.