Home / 13,275.51-18,320.27-7,307.03

Finding the Fourth Proportional to 13,275.51, 18,320.27 and 7,307.03

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Solution

The fourth proportional to 13,275.51, 18,320.27 and 7,307.03 is: 10,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.51 : 18,320.27 = 7,307.03 : x
  2. Step 2: Convert to fraction form
    13,275.51/18,320.27 = 7,307.03/x
  3. Step 3: Cross multiply
    13,275.51x = 18,320.27 × 7,307.03
  4. Step 4: Simplify right side
    13,275.51x = 133,866,762.50
  5. Step 5: Solve for x
    x = 133,866,762.50/13,275.51
  6. Step 6: Final answer
    x = 10,083.74

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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.