Home / 14,106.84-21,158.22-9,877.26

Finding the Fourth Proportional to 14,106.84, 21,158.22 and 9,877.26

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Solution

The fourth proportional to 14,106.84, 21,158.22 and 9,877.26 is: 14,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.84 : 21,158.22 = 9,877.26 : x
  2. Step 2: Convert to fraction form
    14,106.84/21,158.22 = 9,877.26/x
  3. Step 3: Cross multiply
    14,106.84x = 21,158.22 × 9,877.26
  4. Step 4: Simplify right side
    14,106.84x = 208,985,240.08
  5. Step 5: Solve for x
    x = 208,985,240.08/14,106.84
  6. Step 6: Final answer
    x = 14,814.46

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1.5x scale

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.