Home / 15,356.03-23,079.48-12,740.50

Finding the Fourth Proportional to 15,356.03, 23,079.48 and 12,740.50

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Solution

The fourth proportional to 15,356.03, 23,079.48 and 12,740.50 is: 19,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.03 : 23,079.48 = 12,740.50 : x
  2. Step 2: Convert to fraction form
    15,356.03/23,079.48 = 12,740.50/x
  3. Step 3: Cross multiply
    15,356.03x = 23,079.48 × 12,740.50
  4. Step 4: Simplify right side
    15,356.03x = 294,044,057.24
  5. Step 5: Solve for x
    x = 294,044,057.24/15,356.03
  6. Step 6: Final answer
    x = 19,148.45

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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.