Home / 15,667.04-21,623.28-9,297.14

Finding the Fourth Proportional to 15,667.04, 21,623.28 and 9,297.14

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Solution

The fourth proportional to 15,667.04, 21,623.28 and 9,297.14 is: 12,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.04 : 21,623.28 = 9,297.14 : x
  2. Step 2: Convert to fraction form
    15,667.04/21,623.28 = 9,297.14/x
  3. Step 3: Cross multiply
    15,667.04x = 21,623.28 × 9,297.14
  4. Step 4: Simplify right side
    15,667.04x = 201,034,717.37
  5. Step 5: Solve for x
    x = 201,034,717.37/15,667.04
  6. Step 6: Final answer
    x = 12,831.70

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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.