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Finding the Fourth Proportional to 14,358.02, 21,537.02 and 9,415.40

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Solution

The fourth proportional to 14,358.02, 21,537.02 and 9,415.40 is: 14,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.02 : 21,537.02 = 9,415.40 : x
  2. Step 2: Convert to fraction form
    14,358.02/21,537.02 = 9,415.40/x
  3. Step 3: Cross multiply
    14,358.02x = 21,537.02 × 9,415.40
  4. Step 4: Simplify right side
    14,358.02x = 202,779,658.11
  5. Step 5: Solve for x
    x = 202,779,658.11/14,358.02
  6. Step 6: Final answer
    x = 14,123.09

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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.