Home / 13,528.59-20,275.56-5,726.67

Finding the Fourth Proportional to 13,528.59, 20,275.56 and 5,726.67

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Solution

The fourth proportional to 13,528.59, 20,275.56 and 5,726.67 is: 8,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.59 : 20,275.56 = 5,726.67 : x
  2. Step 2: Convert to fraction form
    13,528.59/20,275.56 = 5,726.67/x
  3. Step 3: Cross multiply
    13,528.59x = 20,275.56 × 5,726.67
  4. Step 4: Simplify right side
    13,528.59x = 116,111,441.19
  5. Step 5: Solve for x
    x = 116,111,441.19/13,528.59
  6. Step 6: Final answer
    x = 8,582.67

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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.