Home / 14,295.50-21,430.47-7,271.58

Finding the Fourth Proportional to 14,295.50, 21,430.47 and 7,271.58

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Solution

The fourth proportional to 14,295.50, 21,430.47 and 7,271.58 is: 10,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.50 : 21,430.47 = 7,271.58 : x
  2. Step 2: Convert to fraction form
    14,295.50/21,430.47 = 7,271.58/x
  3. Step 3: Cross multiply
    14,295.50x = 21,430.47 × 7,271.58
  4. Step 4: Simplify right side
    14,295.50x = 155,833,377.04
  5. Step 5: Solve for x
    x = 155,833,377.04/14,295.50
  6. Step 6: Final answer
    x = 10,900.87

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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.