Home / 19,285.50-28,923.93-9,420.06

Finding the Fourth Proportional to 19,285.50, 28,923.93 and 9,420.06

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Solution

The fourth proportional to 19,285.50, 28,923.93 and 9,420.06 is: 14,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.50 : 28,923.93 = 9,420.06 : x
  2. Step 2: Convert to fraction form
    19,285.50/28,923.93 = 9,420.06/x
  3. Step 3: Cross multiply
    19,285.50x = 28,923.93 × 9,420.06
  4. Step 4: Simplify right side
    19,285.50x = 272,465,156.04
  5. Step 5: Solve for x
    x = 272,465,156.04/19,285.50
  6. Step 6: Final answer
    x = 14,127.98

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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.