Home / 10,830.12-14,935.20-6,581.86

Finding the Fourth Proportional to 10,830.12, 14,935.20 and 6,581.86

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Solution

The fourth proportional to 10,830.12, 14,935.20 and 6,581.86 is: 9,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.12 : 14,935.20 = 6,581.86 : x
  2. Step 2: Convert to fraction form
    10,830.12/14,935.20 = 6,581.86/x
  3. Step 3: Cross multiply
    10,830.12x = 14,935.20 × 6,581.86
  4. Step 4: Simplify right side
    10,830.12x = 98,301,395.47
  5. Step 5: Solve for x
    x = 98,301,395.47/10,830.12
  6. Step 6: Final answer
    x = 9,076.67

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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.