Home / 19,353.69-29,030.58-5,313.91

Finding the Fourth Proportional to 19,353.69, 29,030.58 and 5,313.91

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Solution

The fourth proportional to 19,353.69, 29,030.58 and 5,313.91 is: 7,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.69 : 29,030.58 = 5,313.91 : x
  2. Step 2: Convert to fraction form
    19,353.69/29,030.58 = 5,313.91/x
  3. Step 3: Cross multiply
    19,353.69x = 29,030.58 × 5,313.91
  4. Step 4: Simplify right side
    19,353.69x = 154,265,889.37
  5. Step 5: Solve for x
    x = 154,265,889.37/19,353.69
  6. Step 6: Final answer
    x = 7,970.88

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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.