Home / 10,545.60-15,842.70-7,265.10

Finding the Fourth Proportional to 10,545.60, 15,842.70 and 7,265.10

Calculator

Solution

The fourth proportional to 10,545.60, 15,842.70 and 7,265.10 is: 10,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.60 : 15,842.70 = 7,265.10 : x
  2. Step 2: Convert to fraction form
    10,545.60/15,842.70 = 7,265.10/x
  3. Step 3: Cross multiply
    10,545.60x = 15,842.70 × 7,265.10
  4. Step 4: Simplify right side
    10,545.60x = 115,098,799.77
  5. Step 5: Solve for x
    x = 115,098,799.77/10,545.60
  6. Step 6: Final answer
    x = 10,914.39

Related Problems

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.