Home / 15,030.12-22,570.82-12,528.74

Finding the Fourth Proportional to 15,030.12, 22,570.82 and 12,528.74

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Solution

The fourth proportional to 15,030.12, 22,570.82 and 12,528.74 is: 18,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.12 : 22,570.82 = 12,528.74 : x
  2. Step 2: Convert to fraction form
    15,030.12/22,570.82 = 12,528.74/x
  3. Step 3: Cross multiply
    15,030.12x = 22,570.82 × 12,528.74
  4. Step 4: Simplify right side
    15,030.12x = 282,783,976.13
  5. Step 5: Solve for x
    x = 282,783,976.13/15,030.12
  6. Step 6: Final answer
    x = 18,814.48

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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.