Home / 10,937.95-15,089.12-7,159.45

Finding the Fourth Proportional to 10,937.95, 15,089.12 and 7,159.45

Calculator

Solution

The fourth proportional to 10,937.95, 15,089.12 and 7,159.45 is: 9,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.95 : 15,089.12 = 7,159.45 : x
  2. Step 2: Convert to fraction form
    10,937.95/15,089.12 = 7,159.45/x
  3. Step 3: Cross multiply
    10,937.95x = 15,089.12 × 7,159.45
  4. Step 4: Simplify right side
    10,937.95x = 108,029,726.66
  5. Step 5: Solve for x
    x = 108,029,726.66/10,937.95
  6. Step 6: Final answer
    x = 9,876.60

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.