Home / 14,128.98-19,500.70-9,349.02

Finding the Fourth Proportional to 14,128.98, 19,500.70 and 9,349.02

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Solution

The fourth proportional to 14,128.98, 19,500.70 and 9,349.02 is: 12,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.98 : 19,500.70 = 9,349.02 : x
  2. Step 2: Convert to fraction form
    14,128.98/19,500.70 = 9,349.02/x
  3. Step 3: Cross multiply
    14,128.98x = 19,500.70 × 9,349.02
  4. Step 4: Simplify right side
    14,128.98x = 182,312,428.47
  5. Step 5: Solve for x
    x = 182,312,428.47/14,128.98
  6. Step 6: Final answer
    x = 12,903.44

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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.