Home / 15,875.34-23,814.60-4,188.56

Finding the Fourth Proportional to 15,875.34, 23,814.60 and 4,188.56

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Solution

The fourth proportional to 15,875.34, 23,814.60 and 4,188.56 is: 6,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.34 : 23,814.60 = 4,188.56 : x
  2. Step 2: Convert to fraction form
    15,875.34/23,814.60 = 4,188.56/x
  3. Step 3: Cross multiply
    15,875.34x = 23,814.60 × 4,188.56
  4. Step 4: Simplify right side
    15,875.34x = 99,748,880.98
  5. Step 5: Solve for x
    x = 99,748,880.98/15,875.34
  6. Step 6: Final answer
    x = 6,283.26

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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.