Home / 13,598.02-18,769.95-8,570.71

Finding the Fourth Proportional to 13,598.02, 18,769.95 and 8,570.71

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Solution

The fourth proportional to 13,598.02, 18,769.95 and 8,570.71 is: 11,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.02 : 18,769.95 = 8,570.71 : x
  2. Step 2: Convert to fraction form
    13,598.02/18,769.95 = 8,570.71/x
  3. Step 3: Cross multiply
    13,598.02x = 18,769.95 × 8,570.71
  4. Step 4: Simplify right side
    13,598.02x = 160,871,798.16
  5. Step 5: Solve for x
    x = 160,871,798.16/13,598.02
  6. Step 6: Final answer
    x = 11,830.53

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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.