Home / 13,430.09-18,533.25-7,461.71

Finding the Fourth Proportional to 13,430.09, 18,533.25 and 7,461.71

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Solution

The fourth proportional to 13,430.09, 18,533.25 and 7,461.71 is: 10,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.09 : 18,533.25 = 7,461.71 : x
  2. Step 2: Convert to fraction form
    13,430.09/18,533.25 = 7,461.71/x
  3. Step 3: Cross multiply
    13,430.09x = 18,533.25 × 7,461.71
  4. Step 4: Simplify right side
    13,430.09x = 138,289,644.19
  5. Step 5: Solve for x
    x = 138,289,644.19/13,430.09
  6. Step 6: Final answer
    x = 10,297.00

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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.