Home / 14,434.05-21,670.98-9,980.67

Finding the Fourth Proportional to 14,434.05, 21,670.98 and 9,980.67

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Solution

The fourth proportional to 14,434.05, 21,670.98 and 9,980.67 is: 14,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.05 : 21,670.98 = 9,980.67 : x
  2. Step 2: Convert to fraction form
    14,434.05/21,670.98 = 9,980.67/x
  3. Step 3: Cross multiply
    14,434.05x = 21,670.98 × 9,980.67
  4. Step 4: Simplify right side
    14,434.05x = 216,290,899.96
  5. Step 5: Solve for x
    x = 216,290,899.96/14,434.05
  6. Step 6: Final answer
    x = 14,984.77

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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.