Home / 14,270.40-21,407.04-4,909.23

Finding the Fourth Proportional to 14,270.40, 21,407.04 and 4,909.23

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Solution

The fourth proportional to 14,270.40, 21,407.04 and 4,909.23 is: 7,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.40 : 21,407.04 = 4,909.23 : x
  2. Step 2: Convert to fraction form
    14,270.40/21,407.04 = 4,909.23/x
  3. Step 3: Cross multiply
    14,270.40x = 21,407.04 × 4,909.23
  4. Step 4: Simplify right side
    14,270.40x = 105,092,082.98
  5. Step 5: Solve for x
    x = 105,092,082.98/14,270.40
  6. Step 6: Final answer
    x = 7,364.34

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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.