Home / 19,143.28-26,411.16-12,437.28

Finding the Fourth Proportional to 19,143.28, 26,411.16 and 12,437.28

Calculator

Solution

The fourth proportional to 19,143.28, 26,411.16 and 12,437.28 is: 17,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.28 : 26,411.16 = 12,437.28 : x
  2. Step 2: Convert to fraction form
    19,143.28/26,411.16 = 12,437.28/x
  3. Step 3: Cross multiply
    19,143.28x = 26,411.16 × 12,437.28
  4. Step 4: Simplify right side
    19,143.28x = 328,482,992.04
  5. Step 5: Solve for x
    x = 328,482,992.04/19,143.28
  6. Step 6: Final answer
    x = 17,159.18

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.