Home / 13,527.07-18,666.14-7,557.91

Finding the Fourth Proportional to 13,527.07, 18,666.14 and 7,557.91

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Solution

The fourth proportional to 13,527.07, 18,666.14 and 7,557.91 is: 10,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.07 : 18,666.14 = 7,557.91 : x
  2. Step 2: Convert to fraction form
    13,527.07/18,666.14 = 7,557.91/x
  3. Step 3: Cross multiply
    13,527.07x = 18,666.14 × 7,557.91
  4. Step 4: Simplify right side
    13,527.07x = 141,077,025.06
  5. Step 5: Solve for x
    x = 141,077,025.06/13,527.07
  6. Step 6: Final answer
    x = 10,429.24

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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.