Home / 15,798.34-21,681.37-14,302.98

Finding the Fourth Proportional to 15,798.34, 21,681.37 and 14,302.98

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Solution

The fourth proportional to 15,798.34, 21,681.37 and 14,302.98 is: 19,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.34 : 21,681.37 = 14,302.98 : x
  2. Step 2: Convert to fraction form
    15,798.34/21,681.37 = 14,302.98/x
  3. Step 3: Cross multiply
    15,798.34x = 21,681.37 × 14,302.98
  4. Step 4: Simplify right side
    15,798.34x = 310,108,219.36
  5. Step 5: Solve for x
    x = 310,108,219.36/15,798.34
  6. Step 6: Final answer
    x = 19,629.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.