Home / 13,315.14-19,973.52-4,994.91

Finding the Fourth Proportional to 13,315.14, 19,973.52 and 4,994.91

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Solution

The fourth proportional to 13,315.14, 19,973.52 and 4,994.91 is: 7,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.14 : 19,973.52 = 4,994.91 : x
  2. Step 2: Convert to fraction form
    13,315.14/19,973.52 = 4,994.91/x
  3. Step 3: Cross multiply
    13,315.14x = 19,973.52 × 4,994.91
  4. Step 4: Simplify right side
    13,315.14x = 99,765,934.78
  5. Step 5: Solve for x
    x = 99,765,934.78/13,315.14
  6. Step 6: Final answer
    x = 7,492.67

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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.