Home / 15,346.64-21,178.58-9,059.01

Finding the Fourth Proportional to 15,346.64, 21,178.58 and 9,059.01

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Solution

The fourth proportional to 15,346.64, 21,178.58 and 9,059.01 is: 12,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.64 : 21,178.58 = 9,059.01 : x
  2. Step 2: Convert to fraction form
    15,346.64/21,178.58 = 9,059.01/x
  3. Step 3: Cross multiply
    15,346.64x = 21,178.58 × 9,059.01
  4. Step 4: Simplify right side
    15,346.64x = 191,856,922.71
  5. Step 5: Solve for x
    x = 191,856,922.71/15,346.64
  6. Step 6: Final answer
    x = 12,501.56

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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.