Home / 9,007.49-12,430.08-5,028.63

Finding the Fourth Proportional to 9,007.49, 12,430.08 and 5,028.63

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Solution

The fourth proportional to 9,007.49, 12,430.08 and 5,028.63 is: 6,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.49 : 12,430.08 = 5,028.63 : x
  2. Step 2: Convert to fraction form
    9,007.49/12,430.08 = 5,028.63/x
  3. Step 3: Cross multiply
    9,007.49x = 12,430.08 × 5,028.63
  4. Step 4: Simplify right side
    9,007.49x = 62,506,273.19
  5. Step 5: Solve for x
    x = 62,506,273.19/9,007.49
  6. Step 6: Final answer
    x = 6,939.37

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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.