Home / 14,265.90-21,398.85-6,368.40

Finding the Fourth Proportional to 14,265.90, 21,398.85 and 6,368.40

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Solution

The fourth proportional to 14,265.90, 21,398.85 and 6,368.40 is: 9,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.90 : 21,398.85 = 6,368.40 : x
  2. Step 2: Convert to fraction form
    14,265.90/21,398.85 = 6,368.40/x
  3. Step 3: Cross multiply
    14,265.90x = 21,398.85 × 6,368.40
  4. Step 4: Simplify right side
    14,265.90x = 136,276,436.34
  5. Step 5: Solve for x
    x = 136,276,436.34/14,265.90
  6. Step 6: Final answer
    x = 9,552.60

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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.