Home / 13,528.04-18,666.52-7,559.40

Finding the Fourth Proportional to 13,528.04, 18,666.52 and 7,559.40

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Solution

The fourth proportional to 13,528.04, 18,666.52 and 7,559.40 is: 10,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.04 : 18,666.52 = 7,559.40 : x
  2. Step 2: Convert to fraction form
    13,528.04/18,666.52 = 7,559.40/x
  3. Step 3: Cross multiply
    13,528.04x = 18,666.52 × 7,559.40
  4. Step 4: Simplify right side
    13,528.04x = 141,107,691.29
  5. Step 5: Solve for x
    x = 141,107,691.29/13,528.04
  6. Step 6: Final answer
    x = 10,430.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.