Home / 19,543.36-26,970.24-11,160.40

Finding the Fourth Proportional to 19,543.36, 26,970.24 and 11,160.40

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Solution

The fourth proportional to 19,543.36, 26,970.24 and 11,160.40 is: 15,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.36 : 26,970.24 = 11,160.40 : x
  2. Step 2: Convert to fraction form
    19,543.36/26,970.24 = 11,160.40/x
  3. Step 3: Cross multiply
    19,543.36x = 26,970.24 × 11,160.40
  4. Step 4: Simplify right side
    19,543.36x = 300,998,666.50
  5. Step 5: Solve for x
    x = 300,998,666.50/19,543.36
  6. Step 6: Final answer
    x = 15,401.58

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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.