Home / 9,678.21-14,507.51-6,558.53

Finding the Fourth Proportional to 9,678.21, 14,507.51 and 6,558.53

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Solution

The fourth proportional to 9,678.21, 14,507.51 and 6,558.53 is: 9,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.21 : 14,507.51 = 6,558.53 : x
  2. Step 2: Convert to fraction form
    9,678.21/14,507.51 = 6,558.53/x
  3. Step 3: Cross multiply
    9,678.21x = 14,507.51 × 6,558.53
  4. Step 4: Simplify right side
    9,678.21x = 95,147,988.12
  5. Step 5: Solve for x
    x = 95,147,988.12/9,678.21
  6. Step 6: Final answer
    x = 9,831.15

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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.