Home / 9,542.79-14,237.62-8,490.29

Finding the Fourth Proportional to 9,542.79, 14,237.62 and 8,490.29

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Solution

The fourth proportional to 9,542.79, 14,237.62 and 8,490.29 is: 12,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.79 : 14,237.62 = 8,490.29 : x
  2. Step 2: Convert to fraction form
    9,542.79/14,237.62 = 8,490.29/x
  3. Step 3: Cross multiply
    9,542.79x = 14,237.62 × 8,490.29
  4. Step 4: Simplify right side
    9,542.79x = 120,881,522.71
  5. Step 5: Solve for x
    x = 120,881,522.71/9,542.79
  6. Step 6: Final answer
    x = 12,667.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.