Home / 15,501.90-21,746.40-15,501.90

Finding the Fourth Proportional to 15,501.90, 21,746.40 and 15,501.90

Calculator

Solution

The fourth proportional to 15,501.90, 21,746.40 and 15,501.90 is: 21,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.90 : 21,746.40 = 15,501.90 : x
  2. Step 2: Convert to fraction form
    15,501.90/21,746.40 = 15,501.90/x
  3. Step 3: Cross multiply
    15,501.90x = 21,746.40 × 15,501.90
  4. Step 4: Simplify right side
    15,501.90x = 337,110,518.16
  5. Step 5: Solve for x
    x = 337,110,518.16/15,501.90
  6. Step 6: Final answer
    x = 21,746.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.