Home / 14,875.65-20,528.75-9,211.32

Finding the Fourth Proportional to 14,875.65, 20,528.75 and 9,211.32

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Solution

The fourth proportional to 14,875.65, 20,528.75 and 9,211.32 is: 12,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.65 : 20,528.75 = 9,211.32 : x
  2. Step 2: Convert to fraction form
    14,875.65/20,528.75 = 9,211.32/x
  3. Step 3: Cross multiply
    14,875.65x = 20,528.75 × 9,211.32
  4. Step 4: Simplify right side
    14,875.65x = 189,096,839.39
  5. Step 5: Solve for x
    x = 189,096,839.39/14,875.65
  6. Step 6: Final answer
    x = 12,711.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.