Home / 14,862.63-20,510.60-8,490.07

Finding the Fourth Proportional to 14,862.63, 20,510.60 and 8,490.07

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Solution

The fourth proportional to 14,862.63, 20,510.60 and 8,490.07 is: 11,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.63 : 20,510.60 = 8,490.07 : x
  2. Step 2: Convert to fraction form
    14,862.63/20,510.60 = 8,490.07/x
  3. Step 3: Cross multiply
    14,862.63x = 20,510.60 × 8,490.07
  4. Step 4: Simplify right side
    14,862.63x = 174,136,284.74
  5. Step 5: Solve for x
    x = 174,136,284.74/14,862.63
  6. Step 6: Final answer
    x = 11,716.38

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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.