Home / 14,880.40-22,315.20-7,482.40

Finding the Fourth Proportional to 14,880.40, 22,315.20 and 7,482.40

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Solution

The fourth proportional to 14,880.40, 22,315.20 and 7,482.40 is: 11,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.40 : 22,315.20 = 7,482.40 : x
  2. Step 2: Convert to fraction form
    14,880.40/22,315.20 = 7,482.40/x
  3. Step 3: Cross multiply
    14,880.40x = 22,315.20 × 7,482.40
  4. Step 4: Simplify right side
    14,880.40x = 166,971,252.48
  5. Step 5: Solve for x
    x = 166,971,252.48/14,880.40
  6. Step 6: Final answer
    x = 11,220.88

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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.