Home / 14,313.54-21,459.93-9,621.91

Finding the Fourth Proportional to 14,313.54, 21,459.93 and 9,621.91

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Solution

The fourth proportional to 14,313.54, 21,459.93 and 9,621.91 is: 14,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.54 : 21,459.93 = 9,621.91 : x
  2. Step 2: Convert to fraction form
    14,313.54/21,459.93 = 9,621.91/x
  3. Step 3: Cross multiply
    14,313.54x = 21,459.93 × 9,621.91
  4. Step 4: Simplify right side
    14,313.54x = 206,485,541.89
  5. Step 5: Solve for x
    x = 206,485,541.89/14,313.54
  6. Step 6: Final answer
    x = 14,425.89

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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.