Home / 19,281.34-28,902.30-10,943.77

Finding the Fourth Proportional to 19,281.34, 28,902.30 and 10,943.77

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Solution

The fourth proportional to 19,281.34, 28,902.30 and 10,943.77 is: 16,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.34 : 28,902.30 = 10,943.77 : x
  2. Step 2: Convert to fraction form
    19,281.34/28,902.30 = 10,943.77/x
  3. Step 3: Cross multiply
    19,281.34x = 28,902.30 × 10,943.77
  4. Step 4: Simplify right side
    19,281.34x = 316,300,123.67
  5. Step 5: Solve for x
    x = 316,300,123.67/19,281.34
  6. Step 6: Final answer
    x = 16,404.47

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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.