Home / 14,862.23-20,509.29-8,890.34

Finding the Fourth Proportional to 14,862.23, 20,509.29 and 8,890.34

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Solution

The fourth proportional to 14,862.23, 20,509.29 and 8,890.34 is: 12,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.23 : 20,509.29 = 8,890.34 : x
  2. Step 2: Convert to fraction form
    14,862.23/20,509.29 = 8,890.34/x
  3. Step 3: Cross multiply
    14,862.23x = 20,509.29 × 8,890.34
  4. Step 4: Simplify right side
    14,862.23x = 182,334,561.26
  5. Step 5: Solve for x
    x = 182,334,561.26/14,862.23
  6. Step 6: Final answer
    x = 12,268.32

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1.5x scale

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.