Home / 9,582.49-13,223.51-5,389.93

Finding the Fourth Proportional to 9,582.49, 13,223.51 and 5,389.93

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Solution

The fourth proportional to 9,582.49, 13,223.51 and 5,389.93 is: 7,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582.49 : 13,223.51 = 5,389.93 : x
  2. Step 2: Convert to fraction form
    9,582.49/13,223.51 = 5,389.93/x
  3. Step 3: Cross multiply
    9,582.49x = 13,223.51 × 5,389.93
  4. Step 4: Simplify right side
    9,582.49x = 71,273,753.46
  5. Step 5: Solve for x
    x = 71,273,753.46/9,582.49
  6. Step 6: Final answer
    x = 7,437.92

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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.