Home / 15,378.06-21,225.17-10,069.79

Finding the Fourth Proportional to 15,378.06, 21,225.17 and 10,069.79

Calculator

Solution

The fourth proportional to 15,378.06, 21,225.17 and 10,069.79 is: 13,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.06 : 21,225.17 = 10,069.79 : x
  2. Step 2: Convert to fraction form
    15,378.06/21,225.17 = 10,069.79/x
  3. Step 3: Cross multiply
    15,378.06x = 21,225.17 × 10,069.79
  4. Step 4: Simplify right side
    15,378.06x = 213,732,848.14
  5. Step 5: Solve for x
    x = 213,732,848.14/15,378.06
  6. Step 6: Final answer
    x = 13,898.56

Related Problems

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.