Home / 15,985.34-23,984.93-8,581.16

Finding the Fourth Proportional to 15,985.34, 23,984.93 and 8,581.16

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Solution

The fourth proportional to 15,985.34, 23,984.93 and 8,581.16 is: 12,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.34 : 23,984.93 = 8,581.16 : x
  2. Step 2: Convert to fraction form
    15,985.34/23,984.93 = 8,581.16/x
  3. Step 3: Cross multiply
    15,985.34x = 23,984.93 × 8,581.16
  4. Step 4: Simplify right side
    15,985.34x = 205,818,420.15
  5. Step 5: Solve for x
    x = 205,818,420.15/15,985.34
  6. Step 6: Final answer
    x = 12,875.44

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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.