Home / 9,420.48-14,140.94-7,087.14

Finding the Fourth Proportional to 9,420.48, 14,140.94 and 7,087.14

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Solution

The fourth proportional to 9,420.48, 14,140.94 and 7,087.14 is: 10,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.48 : 14,140.94 = 7,087.14 : x
  2. Step 2: Convert to fraction form
    9,420.48/14,140.94 = 7,087.14/x
  3. Step 3: Cross multiply
    9,420.48x = 14,140.94 × 7,087.14
  4. Step 4: Simplify right side
    9,420.48x = 100,218,821.51
  5. Step 5: Solve for x
    x = 100,218,821.51/9,420.48
  6. Step 6: Final answer
    x = 10,638.40

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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.