Home / 9,647.28-13,312.98-5,668.29

Finding the Fourth Proportional to 9,647.28, 13,312.98 and 5,668.29

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Solution

The fourth proportional to 9,647.28, 13,312.98 and 5,668.29 is: 7,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.28 : 13,312.98 = 5,668.29 : x
  2. Step 2: Convert to fraction form
    9,647.28/13,312.98 = 5,668.29/x
  3. Step 3: Cross multiply
    9,647.28x = 13,312.98 × 5,668.29
  4. Step 4: Simplify right side
    9,647.28x = 75,461,831.40
  5. Step 5: Solve for x
    x = 75,461,831.40/9,647.28
  6. Step 6: Final answer
    x = 7,822.08

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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.