Home / 21,139.65-31,714.02-6,347.34

Finding the Fourth Proportional to 21,139.65, 31,714.02 and 6,347.34

Calculator

Solution

The fourth proportional to 21,139.65, 31,714.02 and 6,347.34 is: 9,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,139.65 : 31,714.02 = 6,347.34 : x
  2. Step 2: Convert to fraction form
    21,139.65/31,714.02 = 6,347.34/x
  3. Step 3: Cross multiply
    21,139.65x = 31,714.02 × 6,347.34
  4. Step 4: Simplify right side
    21,139.65x = 201,299,667.71
  5. Step 5: Solve for x
    x = 201,299,667.71/21,139.65
  6. Step 6: Final answer
    x = 9,522.37

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.