Home / 15,518.59-23,280.05-4,988.94

Finding the Fourth Proportional to 15,518.59, 23,280.05 and 4,988.94

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Solution

The fourth proportional to 15,518.59, 23,280.05 and 4,988.94 is: 7,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.59 : 23,280.05 = 4,988.94 : x
  2. Step 2: Convert to fraction form
    15,518.59/23,280.05 = 4,988.94/x
  3. Step 3: Cross multiply
    15,518.59x = 23,280.05 × 4,988.94
  4. Step 4: Simplify right side
    15,518.59x = 116,142,772.65
  5. Step 5: Solve for x
    x = 116,142,772.65/15,518.59
  6. Step 6: Final answer
    x = 7,484.11

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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.