Home / 14,265.54-21,402.90-6,870.51

Finding the Fourth Proportional to 14,265.54, 21,402.90 and 6,870.51

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Solution

The fourth proportional to 14,265.54, 21,402.90 and 6,870.51 is: 10,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.54 : 21,402.90 = 6,870.51 : x
  2. Step 2: Convert to fraction form
    14,265.54/21,402.90 = 6,870.51/x
  3. Step 3: Cross multiply
    14,265.54x = 21,402.90 × 6,870.51
  4. Step 4: Simplify right side
    14,265.54x = 147,048,838.48
  5. Step 5: Solve for x
    x = 147,048,838.48/14,265.54
  6. Step 6: Final answer
    x = 10,307.98

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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.