Home / 14,313.40-19,752.72-9,279.64

Finding the Fourth Proportional to 14,313.40, 19,752.72 and 9,279.64

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Solution

The fourth proportional to 14,313.40, 19,752.72 and 9,279.64 is: 12,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.40 : 19,752.72 = 9,279.64 : x
  2. Step 2: Convert to fraction form
    14,313.40/19,752.72 = 9,279.64/x
  3. Step 3: Cross multiply
    14,313.40x = 19,752.72 × 9,279.64
  4. Step 4: Simplify right side
    14,313.40x = 183,298,130.62
  5. Step 5: Solve for x
    x = 183,298,130.62/14,313.40
  6. Step 6: Final answer
    x = 12,806.05

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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.