Home / 10,332.51-15,498.76-4,782.82

Finding the Fourth Proportional to 10,332.51, 15,498.76 and 4,782.82

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Solution

The fourth proportional to 10,332.51, 15,498.76 and 4,782.82 is: 7,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.51 : 15,498.76 = 4,782.82 : x
  2. Step 2: Convert to fraction form
    10,332.51/15,498.76 = 4,782.82/x
  3. Step 3: Cross multiply
    10,332.51x = 15,498.76 × 4,782.82
  4. Step 4: Simplify right side
    10,332.51x = 74,127,701.81
  5. Step 5: Solve for x
    x = 74,127,701.81/10,332.51
  6. Step 6: Final answer
    x = 7,174.22

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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.